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 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:07:30,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:07:30,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:07:30,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:07:30,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:07:30,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:07:30,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:07:30,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:07:30,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:07:30,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:07:30,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:07:30,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:07:30,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:07:30,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:07:30,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:07:30,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:07:30,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:07:30,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:07:30,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:07:30,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:07:30,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:07:30,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:07:30,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:07:30,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:07:30,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:07:30,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:07:30,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:07:30,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:07:30,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:07:30,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:07:30,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:07:30,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:07:30,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:07:30,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:07:30,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:07:30,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:07:30,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:07:30,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:07:30,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:07:30,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:07:30,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:07:30,354 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 17:07:30,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:07:30,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:07:30,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:07:30,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:07:30,370 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:07:30,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:07:30,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:07:30,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:07:30,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:07:30,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:07:30,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:07:30,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:07:30,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:07:30,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:07:30,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:07:30,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:07:30,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:07:30,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:07:30,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:07:30,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:07:30,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:07:30,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:07:30,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:07:30,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:07:30,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:07:30,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:07:30,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:07:30,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:07:30,375 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 -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:07:30,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:07:30,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:07:30,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:07:30,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:07:30,428 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:07:30,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-25 17:07:30,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3ea1929/b8c2759d190547efb1eba01f6c1a5463/FLAG95543684f [2019-09-25 17:07:31,076 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:07:31,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2019-09-25 17:07:31,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3ea1929/b8c2759d190547efb1eba01f6c1a5463/FLAG95543684f [2019-09-25 17:07:31,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3ea1929/b8c2759d190547efb1eba01f6c1a5463 [2019-09-25 17:07:31,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:07:31,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:07:31,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:31,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:07:31,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:07:31,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:31" (1/1) ... [2019-09-25 17:07:31,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:31, skipping insertion in model container [2019-09-25 17:07:31,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:31" (1/1) ... [2019-09-25 17:07:31,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:07:31,431 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:07:31,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:31,982 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:07:32,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:32,128 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:07:32,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32 WrapperNode [2019-09-25 17:07:32,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:32,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:07:32,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:07:32,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:07:32,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (1/1) ... [2019-09-25 17:07:32,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:07:32,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:07:32,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:07:32,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:07:32,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:32" (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 17:07:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:07:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:07:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:07:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:07:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:07:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:07:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:07:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:07:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:07:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:07:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:07:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:07:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:07:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:07:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:07:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:07:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:07:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:07:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:07:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:07:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:07:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:07:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:07:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:07:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:07:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:07:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:07:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:07:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:07:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:07:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:07:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:07:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:07:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:07:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:07:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:07:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:07:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:07:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:07:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:07:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:07:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:07:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:07:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:07:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:07:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:07:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:07:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:07:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:07:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:07:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:07:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:07:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:07:34,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:07:34,051 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:07:34,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:34 BoogieIcfgContainer [2019-09-25 17:07:34,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:07:34,053 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:07:34,053 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:07:34,054 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:07:34,055 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,055 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:07:34,079 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:07:34,080 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:07:34,088 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:07:34,098 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:07:34,099 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:07:44,427 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:07:46,067 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:07:46,229 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:46,356 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:46,495 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:46,513 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:07:46,557 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:07:46,573 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:07:47,092 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:07:47,535 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:07:47,755 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:07:47,916 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:07:48,099 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:07:48,241 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:07:48,432 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:07:49,106 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:07:49,208 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:07:49,436 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:07:49,644 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:07:50,847 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:07:50,850 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:07:50,910 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:07:50,916 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:07:50,924 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:07:50,924 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:07:50,926 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 496#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)) [2019-09-25 17:07:50,945 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:07:50,945 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:07:50,949 INFO L168 Benchmark]: Toolchain (without parser) took 19586.47 ms. Allocated memory was 134.2 MB in the beginning and 475.5 MB in the end (delta: 341.3 MB). Free memory was 89.4 MB in the beginning and 211.0 MB in the end (delta: -121.6 MB). Peak memory consumption was 219.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,952 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.06 ms. Allocated memory was 134.2 MB in the beginning and 196.6 MB in the end (delta: 62.4 MB). Free memory was 89.2 MB in the beginning and 162.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,961 INFO L168 Benchmark]: Boogie Preprocessor took 94.43 ms. Allocated memory is still 196.6 MB. Free memory was 162.3 MB in the beginning and 158.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,963 INFO L168 Benchmark]: RCFGBuilder took 1829.01 ms. Allocated memory was 196.6 MB in the beginning and 224.4 MB in the end (delta: 27.8 MB). Free memory was 158.0 MB in the beginning and 143.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,964 INFO L168 Benchmark]: Sifa took 16892.19 ms. Allocated memory was 224.4 MB in the beginning and 475.5 MB in the end (delta: 251.1 MB). Free memory was 143.9 MB in the beginning and 211.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 183.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:50,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.06 ms. Allocated memory was 134.2 MB in the beginning and 196.6 MB in the end (delta: 62.4 MB). Free memory was 89.2 MB in the beginning and 162.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.43 ms. Allocated memory is still 196.6 MB. Free memory was 162.3 MB in the beginning and 158.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1829.01 ms. Allocated memory was 196.6 MB in the beginning and 224.4 MB in the end (delta: 27.8 MB). Free memory was 158.0 MB in the beginning and 143.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Sifa took 16892.19 ms. Allocated memory was 224.4 MB in the beginning and 475.5 MB in the end (delta: 251.1 MB). Free memory was 143.9 MB in the beginning and 211.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 183.9 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]: 16848, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 12151, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 143, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 235, TOOLS_QUANTIFIERELIM_TIME[ms]: 12256, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12063, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 4085, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 257, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 836, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 835, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12475, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12474, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 508, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 917]: 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 496#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string26.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...