java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:54:08,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:54:08,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:54:08,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:54:08,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:54:08,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:54:08,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:54:08,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:54:08,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:54:08,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:54:08,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:54:08,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:54:08,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:54:08,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:54:08,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:54:08,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:54:08,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:54:08,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:54:08,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:54:08,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:54:08,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:54:08,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:54:08,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:54:08,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:54:08,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:54:08,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:54:08,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:54:08,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:54:08,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:54:08,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:54:08,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:54:08,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:54:08,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:54:08,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:54:08,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:54:08,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:54:08,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:54:08,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:54:08,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:54:08,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:54:08,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:54:08,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:54:08,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:54:08,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:54:08,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:54:08,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:54:08,257 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:54:08,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:54:08,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:54:08,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:54:08,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:54:08,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:54:08,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:54:08,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:54:08,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:54:08,260 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:54:08,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:54:08,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:54:08,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:54:08,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:54:08,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:54:08,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:54:08,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:54:08,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:54:08,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:54:08,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:54:08,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:54:08,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:54:08,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:54:08,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:54:08,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:54:08,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:54:08,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:54:08,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:54:08,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:54:08,341 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:54:08,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-20 15:54:08,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03b1196e/e271815812bd4952b43349c245dc9f4f/FLAGa78644950 [2019-09-20 15:54:08,943 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:54:08,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-20 15:54:08,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03b1196e/e271815812bd4952b43349c245dc9f4f/FLAGa78644950 [2019-09-20 15:54:09,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03b1196e/e271815812bd4952b43349c245dc9f4f [2019-09-20 15:54:09,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:54:09,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:54:09,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:09,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:54:09,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:54:09,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:09,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66650e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09, skipping insertion in model container [2019-09-20 15:54:09,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:09,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:54:09,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:54:09,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:09,798 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:54:09,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:09,992 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:54:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09 WrapperNode [2019-09-20 15:54:09,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:09,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:54:09,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:54:09,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:54:10,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (1/1) ... [2019-09-20 15:54:10,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:54:10,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:54:10,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:54:10,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:54:10,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:09" (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 [2019-09-20 15:54:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:54:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:54:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:54:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:54:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:54:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:54:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:54:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:54:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:54:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:54:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:54:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:54:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:54:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:54:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:54:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:54:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:54:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:54:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:54:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:54:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:54:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:54:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:54:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:54:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:54:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:54:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:54:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:54:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:54:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:54:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:54:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:54:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:54:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:54:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:54:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:54:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:54:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:54:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:54:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:54:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:54:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:54:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:54:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:54:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:54:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:54:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:54:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:54:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:54:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:54:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:54:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:54:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:54:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:54:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:54:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:54:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:54:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:54:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:54:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:54:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:54:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:54:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:54:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:54:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:54:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:54:11,852 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:54:11,852 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:54:11,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:11 BoogieIcfgContainer [2019-09-20 15:54:11,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:54:11,855 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:54:11,855 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:54:11,855 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:54:11,856 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:11" (1/1) ... [2019-09-20 15:54:11,857 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:54:11,887 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:54:11,888 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:54:11,901 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:54:11,913 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:54:11,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:21,655 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:23,480 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:23,647 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:23,777 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:23,902 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:23,926 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:54:23,977 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:54:23,992 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:54:24,517 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:54:24,920 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:54:25,208 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:54:25,468 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:54:25,777 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:54:26,063 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:54:26,369 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:54:26,760 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:27,403 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:54:27,406 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 91 for LOIs [2019-09-20 15:54:27,466 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:54:27,469 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:54:27,471 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:27,472 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:27,474 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 423#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:27,487 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:27,487 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:27,489 INFO L168 Benchmark]: Toolchain (without parser) took 18233.68 ms. Allocated memory was 132.6 MB in the beginning and 495.5 MB in the end (delta: 362.8 MB). Free memory was 87.6 MB in the beginning and 387.2 MB in the end (delta: -299.5 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,490 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.43 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 163.4 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,492 INFO L168 Benchmark]: Boogie Preprocessor took 90.33 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,493 INFO L168 Benchmark]: RCFGBuilder took 1766.12 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 159.0 MB in the beginning and 141.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,494 INFO L168 Benchmark]: Sifa took 15632.44 ms. Allocated memory was 223.3 MB in the beginning and 495.5 MB in the end (delta: 272.1 MB). Free memory was 141.9 MB in the beginning and 387.2 MB in the end (delta: -245.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:27,497 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 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.43 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 163.4 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.33 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1766.12 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 159.0 MB in the beginning and 141.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * Sifa took 15632.44 ms. Allocated memory was 223.3 MB in the beginning and 495.5 MB in the end (delta: 272.1 MB). Free memory was 141.9 MB in the beginning and 387.2 MB in the end (delta: -245.2 MB). Peak memory consumption was 26.9 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]: 15587, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 11711, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 134, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 11811, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11637, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 3196, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 182, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 119, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3071, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3070, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12067, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12066, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 201 - UnprovableResult [Line: 956]: 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 423#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...