java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:41,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:41,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:41,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:41,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:41,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:41,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:41,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:41,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:41,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:41,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:41,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:41,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:41,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:41,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:41,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:41,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:41,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:41,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:41,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:41,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:41,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:41,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:41,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:41,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:55:41,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:55:41,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:55:41,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:55:41,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:55:41,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:55:41,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:55:41,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:55:41,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:55:41,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:55:41,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:55:41,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:55:41,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:55:41,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:55:41,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:41,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:41,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:41,317 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 15:55:41,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:55:41,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:55:41,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:55:41,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:55:41,333 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:55:41,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:55:41,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:55:41,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:55:41,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:55:41,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:55:41,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:55:41,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:55:41,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:55:41,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:55:41,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:55:41,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:55:41,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:55:41,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:55:41,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:55:41,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:55:41,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:55:41,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:41,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:55:41,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:55:41,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:55:41,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:55:41,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:55:41,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:55:41,338 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 15:55:41,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:55:41,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:55:41,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:55:41,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:55:41,400 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:55:41,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-20 15:55:41,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56fdf409c/e4cb255b4eac479b85b6ceb97dc09217/FLAGe62fd7a09 [2019-09-20 15:55:42,020 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:55:42,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-20 15:55:42,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56fdf409c/e4cb255b4eac479b85b6ceb97dc09217/FLAGe62fd7a09 [2019-09-20 15:55:42,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56fdf409c/e4cb255b4eac479b85b6ceb97dc09217 [2019-09-20 15:55:42,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:55:42,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:55:42,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:42,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:55:42,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:55:42,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:42,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42, skipping insertion in model container [2019-09-20 15:55:42,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:42,350 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:55:42,393 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:55:42,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:42,810 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:55:42,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:42,982 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:55:42,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42 WrapperNode [2019-09-20 15:55:42,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:42,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:55:42,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:55:42,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:55:42,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:42,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (1/1) ... [2019-09-20 15:55:43,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:55:43,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:55:43,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:55:43,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:55:43,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:42" (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 15:55:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:55:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:55:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:55:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:55:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:55:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:55:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:55:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:55:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:55:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:55:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:55:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:55:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:55:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:55:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:55:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:55:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:55:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:55:44,776 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:55:44,776 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:55:44,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:44 BoogieIcfgContainer [2019-09-20 15:55:44,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:55:44,779 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:55:44,779 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:55:44,779 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:55:44,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:44" (1/1) ... [2019-09-20 15:55:44,781 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 15:55:44,808 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:55:44,808 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:55:44,821 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:55:44,834 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:55:44,836 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:55:53,155 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:55:54,844 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:55:55,003 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:55,186 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:55,360 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:55,383 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:55:55,442 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:55:55,461 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:55:56,135 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:55:56,532 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:55:56,841 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:55:57,123 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:55:57,413 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:55:57,734 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:55:58,056 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:55:58,238 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:55:58,399 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:55:58,514 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:55:58,624 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:55:58,736 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:55:58,944 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:55:59,194 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:55:59,393 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:55:59,839 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:56:00,072 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:56:00,629 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:56:00,805 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:56:00,965 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:56:01,076 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:56:01,189 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:56:01,308 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:56:01,561 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:56:01,746 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:56:03,778 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:56:03,848 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:56:03,850 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:56:03,872 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-20 15:56:03,878 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-20 15:56:03,884 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:03,884 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:03,888 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 657#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:56:03,901 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:03,901 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:03,904 INFO L168 Benchmark]: Toolchain (without parser) took 21569.07 ms. Allocated memory was 139.5 MB in the beginning and 705.7 MB in the end (delta: 566.2 MB). Free memory was 86.5 MB in the beginning and 553.8 MB in the end (delta: -467.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,906 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.99 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 163.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,916 INFO L168 Benchmark]: Boogie Preprocessor took 98.22 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,917 INFO L168 Benchmark]: RCFGBuilder took 1692.64 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 158.8 MB in the beginning and 136.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,923 INFO L168 Benchmark]: Sifa took 19122.56 ms. Allocated memory was 223.9 MB in the beginning and 705.7 MB in the end (delta: 481.8 MB). Free memory was 136.1 MB in the beginning and 553.8 MB in the end (delta: -417.7 MB). Peak memory consumption was 64.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.99 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 163.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.22 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1692.64 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 158.8 MB in the beginning and 136.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Sifa took 19122.56 ms. Allocated memory was 223.9 MB in the beginning and 705.7 MB in the end (delta: 481.8 MB). Free memory was 136.1 MB in the beginning and 553.8 MB in the end (delta: -417.7 MB). Peak memory consumption was 64.2 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]: 19080, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 266, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 10205, TOOLS_POST_CALL_APPLICATIONS: 74, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 117, TOOLS_QUANTIFIERELIM_APPLICATIONS: 320, TOOLS_QUANTIFIERELIM_TIME[ms]: 10362, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10086, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 269, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 8003, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 370, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1687, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1686, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10634, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10633, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 641, DAG_COMPRESSION_RETAINED_NODES: 265 - UnprovableResult [Line: 923]: 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 657#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...