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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:50:46,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:50:46,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:50:46,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:50:46,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:50:46,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:50:46,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:50:46,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:50:46,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:50:46,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:50:46,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:50:46,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:50:46,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:50:46,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:50:46,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:50:46,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:50:46,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:50:46,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:50:46,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:50:46,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:50:46,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:50:46,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:50:46,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:50:46,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:50:46,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:50:46,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:50:46,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:50:46,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:50:46,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:50:46,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:50:46,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:50:46,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:50:46,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:50:46,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:50:46,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:50:46,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:50:46,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:50:46,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:50:46,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:50:46,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:50:46,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:50:46,337 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 [2019-09-25 17:50:46,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:50:46,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:50:46,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:50:46,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:50:46,354 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:50:46,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:50:46,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:50:46,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:50:46,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:50:46,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:50:46,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:50:46,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:50:46,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:50:46,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:50:46,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:50:46,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:50:46,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:50:46,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:50:46,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:50:46,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:50:46,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:50:46,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:50:46,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:50:46,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:50:46,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:50:46,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:50:46,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:50:46,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:50:46,359 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:50:46,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:50:46,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:50:46,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:50:46,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:50:46,423 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:50:46,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 17:50:46,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e77240ad/6a63e617aa1a4447bdd99d456f8ada0a/FLAG902ad4900 [2019-09-25 17:50:47,007 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:50:47,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 17:50:47,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e77240ad/6a63e617aa1a4447bdd99d456f8ada0a/FLAG902ad4900 [2019-09-25 17:50:47,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e77240ad/6a63e617aa1a4447bdd99d456f8ada0a [2019-09-25 17:50:47,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:50:47,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:50:47,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:50:47,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:50:47,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:50:47,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:47,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698ae32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47, skipping insertion in model container [2019-09-25 17:50:47,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:47,339 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:50:47,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:50:47,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:50:47,817 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:50:47,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:50:47,979 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:50:47,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47 WrapperNode [2019-09-25 17:50:47,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:50:47,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:50:47,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:50:47,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:50:47,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:47,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (1/1) ... [2019-09-25 17:50:48,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:50:48,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:50:48,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:50:48,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:50:48,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:50:47" (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 [2019-09-25 17:50:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:50:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:50:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:50:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:50:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:50:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:50:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:50:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:50:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:50:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:50:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:50:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:50:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:50:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:50:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:50:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:50:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:50:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:50:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:50:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:50:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:50:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:50:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:50:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:50:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:50:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:50:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:50:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:50:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:50:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:50:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:50:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:50:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:50:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:50:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:50:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:50:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:50:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:50:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:50:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:50:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:50:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:50:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:50:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:50:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:50:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:50:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:50:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:50:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:50:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:50:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:50:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:50:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:50:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:50:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:50:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:50:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:50:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:50:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:50:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:50:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:50:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:50:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:50:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:50:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:50:49,691 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:50:49,691 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:50:49,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:50:49 BoogieIcfgContainer [2019-09-25 17:50:49,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:50:49,693 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:50:49,694 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:50:49,694 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:50:49,695 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:50:49" (1/1) ... [2019-09-25 17:50:49,696 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:50:49,718 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:50:49,718 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:50:49,727 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:50:49,736 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:50:49,737 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:50:58,931 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:51:00,860 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:51:00,995 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:01,150 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:01,255 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:01,280 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-25 17:51:01,345 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-25 17:51:01,353 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-25 17:51:01,818 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:51:02,251 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:51:02,924 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2019-09-25 17:51:03,209 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:51:03,366 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:51:03,778 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:51:04,218 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:51:04,626 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-25 17:51:04,984 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-25 17:51:05,220 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-25 17:51:05,477 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-25 17:51:05,687 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-25 17:51:05,902 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-25 17:51:06,413 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:51:07,055 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:51:07,456 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:51:07,782 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:08,182 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-25 17:51:08,668 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:51:08,748 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:51:08,750 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 79 for LOIs [2019-09-25 17:51:08,837 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:51:08,842 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 17:51:08,850 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:51:08,851 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:51:08,853 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 585#(and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:51:08,865 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:51:08,865 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:51:08,867 INFO L168 Benchmark]: Toolchain (without parser) took 21543.48 ms. Allocated memory was 131.1 MB in the beginning and 697.8 MB in the end (delta: 566.8 MB). Free memory was 86.1 MB in the beginning and 523.9 MB in the end (delta: -437.8 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,869 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.90 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 166.4 MB in the end (delta: -80.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,871 INFO L168 Benchmark]: Boogie Preprocessor took 105.37 ms. Allocated memory is still 199.2 MB. Free memory was 166.4 MB in the beginning and 162.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,873 INFO L168 Benchmark]: RCFGBuilder took 1607.30 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 162.3 MB in the beginning and 149.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,877 INFO L168 Benchmark]: Sifa took 19172.07 ms. Allocated memory was 219.7 MB in the beginning and 697.8 MB in the end (delta: 478.2 MB). Free memory was 149.9 MB in the beginning and 523.9 MB in the end (delta: -374.0 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:08,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.90 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 166.4 MB in the end (delta: -80.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.37 ms. Allocated memory is still 199.2 MB. Free memory was 166.4 MB in the beginning and 162.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.30 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 162.3 MB in the beginning and 149.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. * Sifa took 19172.07 ms. Allocated memory was 219.7 MB in the beginning and 697.8 MB in the end (delta: 478.2 MB). Free memory was 149.9 MB in the beginning and 523.9 MB in the end (delta: -374.0 MB). Peak memory consumption was 104.1 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]: 19135, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 236, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 11342, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 247, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 123, TOOLS_QUANTIFIERELIM_APPLICATIONS: 273, TOOLS_QUANTIFIERELIM_TIME[ms]: 11574, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11193, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 245, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 6750, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 352, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 118, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3426, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3425, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11667, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11666, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 598, DAG_COMPRESSION_RETAINED_NODES: 212 - UnprovableResult [Line: 177]: 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 585#(and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...