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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:44:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:44:07,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:44:07,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:44:07,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:44:07,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:44:07,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:44:07,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:44:07,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:44:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:44:07,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:44:07,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:44:07,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:44:07,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:44:07,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:44:07,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:44:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:44:07,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:44:07,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:44:07,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:44:07,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:44:07,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:44:07,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:44:07,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:44:07,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:44:07,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:44:07,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:44:07,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:44:07,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:44:07,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:44:07,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:44:07,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:44:07,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:44:07,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:44:07,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:44:07,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:44:07,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:44:07,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:44:07,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:44:07,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:44:07,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:44:07,369 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 15:44:07,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:44:07,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:44:07,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:44:07,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:44:07,385 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:44:07,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:44:07,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:44:07,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:44:07,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:44:07,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:44:07,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:44:07,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:44:07,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:44:07,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:44:07,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:44:07,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:44:07,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:44:07,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:44:07,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:44:07,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:44:07,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:44:07,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:44:07,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:44:07,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:44:07,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:44:07,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:44:07,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:44:07,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:44:07,390 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 [2019-09-25 15:44:07,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:44:07,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:44:07,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:44:07,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:44:07,447 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:44:07,448 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-09-25 15:44:07,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4aff106/f912f79694d146b79e6906d302be5b99/FLAGf181c24d4 [2019-09-25 15:44:08,012 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:44:08,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-09-25 15:44:08,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4aff106/f912f79694d146b79e6906d302be5b99/FLAGf181c24d4 [2019-09-25 15:44:08,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4aff106/f912f79694d146b79e6906d302be5b99 [2019-09-25 15:44:08,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:44:08,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:44:08,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:44:08,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:44:08,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:44:08,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:44:08" (1/1) ... [2019-09-25 15:44:08,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371a009c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:08, skipping insertion in model container [2019-09-25 15:44:08,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:44:08" (1/1) ... [2019-09-25 15:44:08,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:44:08,428 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:44:08,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:44:08,911 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:44:09,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:44:09,073 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:44:09,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09 WrapperNode [2019-09-25 15:44:09,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:44:09,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:44:09,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:44:09,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:44:09,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (1/1) ... [2019-09-25 15:44:09,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:44:09,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:44:09,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:44:09,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:44:09,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:09" (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 15:44:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:44:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:44:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:44:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:44:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:44:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:44:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 15:44:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 15:44:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:44:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:44:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:44:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:44:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:44:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:44:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:44:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:44:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:44:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:44:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:44:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:44:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:44:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:44:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 15:44:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:44:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:44:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:44:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:44:10,864 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:44:10,864 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:44:10,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:44:10 BoogieIcfgContainer [2019-09-25 15:44:10,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:44:10,866 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:44:10,866 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:44:10,867 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:44:10,868 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:44:10" (1/1) ... [2019-09-25 15:44:10,868 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:44:10,895 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:44:10,895 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:44:10,909 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:44:10,922 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:44:10,924 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:44:21,817 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 15:44:23,446 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:44:23,586 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:23,737 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:23,874 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:23,897 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 15:44:23,952 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 15:44:23,971 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 15:44:24,162 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 15:44:24,292 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 15:44:24,775 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:25,128 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:25,542 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:25,894 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:26,155 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:26,393 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:26,615 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:26,822 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:44:30,907 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:31,090 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:31,310 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:31,413 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:32,583 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:44:32,584 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 15:44:32,630 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 15:44:32,637 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 15:44:32,650 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:44:32,650 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:44:32,662 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1539#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.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) (= |#t~string19.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)) [2019-09-25 15:44:32,681 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:44:32,682 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:44:32,684 INFO L168 Benchmark]: Toolchain (without parser) took 24336.98 ms. Allocated memory was 131.6 MB in the beginning and 701.5 MB in the end (delta: 569.9 MB). Free memory was 85.6 MB in the beginning and 513.6 MB in the end (delta: -427.9 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:32,686 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:44:32,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.45 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 160.0 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:32,694 INFO L168 Benchmark]: Boogie Preprocessor took 83.74 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 156.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:32,697 INFO L168 Benchmark]: RCFGBuilder took 1707.69 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 156.2 MB in the beginning and 131.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:32,698 INFO L168 Benchmark]: Sifa took 21815.63 ms. Allocated memory was 220.2 MB in the beginning and 701.5 MB in the end (delta: 481.3 MB). Free memory was 131.8 MB in the beginning and 513.6 MB in the end (delta: -381.8 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:32,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.45 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 160.0 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.74 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 156.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1707.69 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 156.2 MB in the beginning and 131.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 21815.63 ms. Allocated memory was 220.2 MB in the beginning and 701.5 MB in the end (delta: 481.3 MB). Free memory was 131.8 MB in the beginning and 513.6 MB in the end (delta: -381.8 MB). Peak memory consumption was 99.5 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]: 21768, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 657, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 441, TOOLS_POST_TIME[ms]: 12776, TOOLS_POST_CALL_APPLICATIONS: 174, TOOLS_POST_CALL_TIME[ms]: 314, TOOLS_POST_RETURN_APPLICATIONS: 167, TOOLS_POST_RETURN_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_APPLICATIONS: 781, TOOLS_QUANTIFIERELIM_TIME[ms]: 12981, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12580, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 680, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 200, DOMAIN_JOIN_TIME[ms]: 7943, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 59, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 116, DOMAIN_ISBOTTOM_TIME[ms]: 262, LOOP_SUMMARIZER_APPLICATIONS: 18, LOOP_SUMMARIZER_CACHE_MISSES: 18, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4225, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4224, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 167, CALL_SUMMARIZER_CACHE_MISSES: 32, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13031, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13029, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 757, DAG_COMPRESSION_RETAINED_NODES: 388 - UnprovableResult [Line: 410]: 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 1539#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.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) (= |#t~string19.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...