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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:29,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:29,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:29,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:29,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:29,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:29,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:29,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:29,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:29,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:29,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:29,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:29,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:29,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:29,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:29,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:29,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:29,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:29,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:29,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:29,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:29,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:29,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:29,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:29,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:29,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:29,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:29,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:29,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:29,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:29,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:29,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:29,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:29,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:29,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:29,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:29,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:29,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:29,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:29,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:29,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:29,458 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 15:52:29,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:29,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:29,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:29,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:29,475 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:29,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:29,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:29,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:29,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:29,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:29,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:29,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:29,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:29,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:29,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:29,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:29,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:29,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:29,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:29,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:29,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:29,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:29,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:29,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:29,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:29,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:29,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:29,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:29,480 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 15:52:29,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:29,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:29,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:29,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:29,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:29,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-09-20 15:52:29,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3704dac/04c207adbbd947b9a2323d0fbf279d9b/FLAGbf574a67e [2019-09-20 15:52:30,144 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:30,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-09-20 15:52:30,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3704dac/04c207adbbd947b9a2323d0fbf279d9b/FLAGbf574a67e [2019-09-20 15:52:30,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d3704dac/04c207adbbd947b9a2323d0fbf279d9b [2019-09-20 15:52:30,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:30,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:30,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:30,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:30,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:30,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30, skipping insertion in model container [2019-09-20 15:52:30,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:30,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:30,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:31,011 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:31,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:31,165 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:31,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31 WrapperNode [2019-09-20 15:52:31,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:31,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:31,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:31,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:31,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:31,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:31,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:31,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:31,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:31" (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 15:52:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:32,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:32,911 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:32,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:32 BoogieIcfgContainer [2019-09-20 15:52:32,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:32,915 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:32,915 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:32,915 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:32,917 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:32" (1/1) ... [2019-09-20 15:52:32,918 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 15:52:32,958 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:32,959 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:32,972 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:32,983 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:32,985 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:42,132 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:43,844 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:44,041 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:44,180 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:44,300 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:44,324 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:44,380 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:44,386 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:44,569 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:44,693 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:45,081 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:45,428 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:45,742 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:46,053 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:46,641 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:47,021 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:47,775 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:48,488 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:49,138 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:52:49,754 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2019-09-20 15:52:49,938 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-20 15:52:50,063 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-20 15:52:50,179 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-20 15:52:50,625 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:50,933 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:51,566 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:52,144 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:52,686 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:52:52,996 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 523 [2019-09-20 15:52:53,056 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-20 15:52:53,104 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:53,119 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:53,125 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:53,127 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:53,127 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:53,129 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 538#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:53,141 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:53,141 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:53,143 INFO L168 Benchmark]: Toolchain (without parser) took 22682.98 ms. Allocated memory was 138.9 MB in the beginning and 751.8 MB in the end (delta: 612.9 MB). Free memory was 84.1 MB in the beginning and 228.1 MB in the end (delta: -144.0 MB). Peak memory consumption was 468.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,144 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.18 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 163.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,146 INFO L168 Benchmark]: Boogie Preprocessor took 97.13 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,146 INFO L168 Benchmark]: RCFGBuilder took 1650.38 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.7 MB in the beginning and 142.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,147 INFO L168 Benchmark]: Sifa took 20226.20 ms. Allocated memory was 221.8 MB in the beginning and 751.8 MB in the end (delta: 530.1 MB). Free memory was 142.3 MB in the beginning and 228.1 MB in the end (delta: -85.8 MB). Peak memory consumption was 444.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:53,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.18 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 163.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.13 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1650.38 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.7 MB in the beginning and 142.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Sifa took 20226.20 ms. Allocated memory was 221.8 MB in the beginning and 751.8 MB in the end (delta: 530.1 MB). Free memory was 142.3 MB in the beginning and 228.1 MB in the end (delta: -85.8 MB). Peak memory consumption was 444.2 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]: 20171, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 261, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 174, TOOLS_POST_TIME[ms]: 11062, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_APPLICATIONS: 311, TOOLS_QUANTIFIERELIM_TIME[ms]: 11237, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10965, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 268, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 7666, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 733, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME[ms]: 214, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4938, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4937, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11389, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11388, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 412, DAG_COMPRESSION_RETAINED_NODES: 227 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 538#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~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...