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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 09:24:55,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 09:24:55,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 09:24:55,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 09:24:55,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 09:24:55,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 09:24:55,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 09:24:55,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 09:24:55,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 09:24:55,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 09:24:55,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 09:24:55,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 09:24:55,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 09:24:55,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 09:24:55,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 09:24:55,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 09:24:55,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 09:24:55,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 09:24:55,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 09:24:55,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 09:24:55,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 09:24:55,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 09:24:55,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 09:24:55,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 09:24:55,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 09:24:55,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 09:24:55,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 09:24:55,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 09:24:55,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 09:24:55,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 09:24:55,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 09:24:55,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 09:24:55,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 09:24:55,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 09:24:55,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 09:24:55,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 09:24:55,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 09:24:55,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 09:24:55,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 09:24:55,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 09:24:55,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 09:24:55,307 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 [2019-09-19 09:24:55,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 09:24:55,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 09:24:55,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 09:24:55,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 09:24:55,331 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 09:24:55,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 09:24:55,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 09:24:55,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 09:24:55,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 09:24:55,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 09:24:55,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 09:24:55,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 09:24:55,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 09:24:55,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 09:24:55,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 09:24:55,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 09:24:55,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 09:24:55,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 09:24:55,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 09:24:55,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 09:24:55,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 09:24:55,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:24:55,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 09:24:55,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 09:24:55,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 09:24:55,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 09:24:55,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 09:24:55,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 09:24:55,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer 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_DDA [2019-09-19 09:24:55,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 09:24:55,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 09:24:55,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 09:24:55,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 09:24:55,402 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 09:24:55,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-19 09:24:55,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a63746c9/7975a4b226a34b6fa81923e5c49e4029/FLAGeeaf54ee1 [2019-09-19 09:24:55,927 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 09:24:55,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-19 09:24:55,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a63746c9/7975a4b226a34b6fa81923e5c49e4029/FLAGeeaf54ee1 [2019-09-19 09:24:56,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a63746c9/7975a4b226a34b6fa81923e5c49e4029 [2019-09-19 09:24:56,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 09:24:56,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 09:24:56,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 09:24:56,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 09:24:56,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 09:24:56,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:56,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56, skipping insertion in model container [2019-09-19 09:24:56,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:56,302 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 09:24:56,364 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 09:24:56,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:24:56,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 09:24:56,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:24:56,982 INFO L192 MainTranslator]: Completed translation [2019-09-19 09:24:56,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56 WrapperNode [2019-09-19 09:24:56,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 09:24:56,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 09:24:56,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 09:24:56,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 09:24:56,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:56,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (1/1) ... [2019-09-19 09:24:57,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 09:24:57,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 09:24:57,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 09:24:57,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 09:24:57,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:24:56" (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 [2019-09-19 09:24:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 09:24:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 09:24:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 09:24:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 09:24:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 09:24:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 09:24:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 09:24:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 09:24:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 09:24:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 09:24:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 09:24:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 09:24:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 09:24:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 09:24:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 09:24:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 09:24:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 09:24:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 09:24:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 09:24:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:24:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 09:24:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 09:24:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 09:24:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 09:24:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 09:24:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 09:24:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 09:24:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 09:24:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 09:24:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 09:24:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 09:24:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 09:24:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 09:24:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 09:24:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 09:24:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 09:24:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 09:24:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 09:24:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 09:24:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 09:24:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 09:24:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 09:24:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 09:24:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 09:24:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 09:24:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 09:24:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 09:24:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 09:24:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 09:24:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 09:24:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 09:24:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 09:24:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 09:24:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 09:24:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 09:24:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 09:24:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 09:24:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 09:24:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 09:24:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 09:24:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 09:24:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 09:24:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 09:24:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 09:24:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 09:24:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 09:24:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 09:24:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 09:24:58,696 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 09:24:58,698 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 09:24:58,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:24:58 BoogieIcfgContainer [2019-09-19 09:24:58,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 09:24:58,700 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 09:24:58,700 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 09:24:58,700 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 09:24:58,702 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:24:58" (1/1) ... [2019-09-19 09:24:58,702 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 09:24:58,734 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 09:24:58,734 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 09:24:58,745 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 09:24:58,762 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 09:24:58,764 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 09:25:11,250 WARN L191 SmtUtils]: Spent 12.36 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:25:23,050 WARN L191 SmtUtils]: Spent 11.80 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:25:44,641 WARN L191 SmtUtils]: Spent 12.35 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 09:25:46,341 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 09:25:50,112 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 09:25:50,121 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 09:25:51,932 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:53,688 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:55,480 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:57,280 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:25:59,150 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:26:00,949 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:26:02,791 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:26:04,578 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:26:04,585 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 09:26:04,590 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 09:26:08,315 WARN L191 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 429 DAG size of output: 424 [2019-09-19 09:26:10,067 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 09:26:21,138 WARN L191 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 456 DAG size of output: 451 [2019-09-19 09:26:26,541 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-19 09:26:37,598 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 456 DAG size of output: 451 [2019-09-19 09:26:42,959 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-19 09:26:46,506 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 09:26:48,282 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 09:27:02,827 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-19 09:27:03,381 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 09:27:17,921 WARN L191 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-19 09:27:18,211 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:27:18,473 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 09:27:22,059 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 429 DAG size of output: 424 [2019-09-19 09:27:23,812 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 09:27:28,461 WARN L191 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 475 DAG size of output: 469 [2019-09-19 09:27:28,567 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:27:29,009 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:27:33,548 WARN L191 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 475 DAG size of output: 469 [2019-09-19 09:27:33,655 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:27:33,756 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 09:27:34,123 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:27:34,355 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-19 09:27:35,127 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2019-09-19 09:27:35,417 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-19 09:27:35,707 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-19 09:27:36,217 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-19 09:27:36,331 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 09:27:36,565 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-19 09:27:36,908 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-19 09:27:37,318 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-19 09:27:37,434 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 09:27:37,747 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-19 09:27:38,318 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-19 09:27:38,470 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 09:27:38,708 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2019-09-19 09:27:38,813 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 09:27:39,381 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-19 09:27:40,442 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2019-09-19 09:27:40,754 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 09:27:41,230 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-19 09:27:41,454 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 09:27:41,672 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2019-09-19 09:27:42,074 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2019-09-19 09:27:43,050 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 90 [2019-09-19 09:27:43,324 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 09:27:43,591 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 09:27:43,866 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 09:27:44,712 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-19 09:27:45,099 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 09:27:45,962 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-19 09:27:46,331 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-19 09:27:48,605 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 09:27:50,881 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 09:27:51,614 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 91 [2019-09-19 09:27:51,937 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-19 09:27:54,731 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 513 DAG size of output: 123 [2019-09-19 09:27:55,157 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 09:27:57,847 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 513 DAG size of output: 123 [2019-09-19 09:27:58,270 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 09:27:59,078 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 92 [2019-09-19 09:27:59,412 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-19 09:28:02,963 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 535 DAG size of output: 145 [2019-09-19 09:28:06,438 WARN L191 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 535 DAG size of output: 145 [2019-09-19 09:28:07,240 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 97 [2019-09-19 09:28:07,574 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 09:28:10,573 WARN L191 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 543 DAG size of output: 125 [2019-09-19 09:28:13,568 WARN L191 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 543 DAG size of output: 125 [2019-09-19 09:28:18,450 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 486 DAG size of output: 456 [2019-09-19 09:28:20,318 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 09:28:22,667 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 481 DAG size of output: 46 [2019-09-19 09:28:24,833 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 481 DAG size of output: 46 [2019-09-19 09:28:25,026 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 26 [2019-09-19 09:28:27,377 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 495 DAG size of output: 68 [2019-09-19 09:28:29,712 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 495 DAG size of output: 68 [2019-09-19 09:28:32,030 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 459 DAG size of output: 33 [2019-09-19 09:28:34,475 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 504 DAG size of output: 57 [2019-09-19 09:28:36,850 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 504 DAG size of output: 57 [2019-09-19 09:28:49,070 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 505 DAG size of output: 489 [2019-09-19 09:28:54,510 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-19 09:29:05,448 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 505 DAG size of output: 489 [2019-09-19 09:29:10,905 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-19 09:29:21,917 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 507 DAG size of output: 491 [2019-09-19 09:29:27,380 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-19 09:29:38,350 WARN L191 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 507 DAG size of output: 491 [2019-09-19 09:29:43,766 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-19 09:29:45,755 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 455 DAG size of output: 19 [2019-09-19 09:30:04,543 WARN L191 SmtUtils]: Spent 18.76 s on a formula simplification. DAG size of input: 512 DAG size of output: 511 [2019-09-19 09:30:13,677 WARN L191 SmtUtils]: Spent 9.13 s on a formula simplification that was a NOOP. DAG size: 510 [2019-09-19 09:30:15,627 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 455 DAG size of output: 19 [2019-09-19 09:30:33,841 WARN L191 SmtUtils]: Spent 18.19 s on a formula simplification. DAG size of input: 512 DAG size of output: 511 [2019-09-19 09:30:42,923 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 510 [2019-09-19 09:30:45,881 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 529 DAG size of output: 89 [2019-09-19 09:30:46,112 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 09:30:46,116 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-19 09:30:46,322 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2019-09-19 09:30:46,582 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-09-19 09:30:46,842 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2019-09-19 09:30:47,005 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2019-09-19 09:30:47,310 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-19 09:30:47,755 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-19 09:30:47,965 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2019-09-19 09:30:48,230 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2019-09-19 09:30:48,574 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 09:30:48,991 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-19 09:30:49,235 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-09-19 09:30:49,561 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2019-09-19 09:30:49,964 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 48 [2019-09-19 09:30:50,398 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-09-19 09:30:50,800 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2019-09-19 09:30:51,048 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2019-09-19 09:30:51,717 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 62 [2019-09-19 09:30:52,459 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2019-09-19 09:30:52,642 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 09:30:52,758 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2019-09-19 09:30:53,040 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2019-09-19 09:30:53,555 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-19 09:30:53,996 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-19 09:30:54,268 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-19 09:30:54,966 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2019-09-19 09:30:55,139 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 09:30:55,720 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 112 [2019-09-19 09:30:56,749 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 09:30:57,301 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 15 for LOIs [2019-09-19 09:30:57,338 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 25 for LOIs [2019-09-19 09:30:57,361 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 09:30:57,361 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 09:30:57,364 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1105#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 09:30:57,376 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 09:30:57,376 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 09:30:57,377 INFO L168 Benchmark]: Toolchain (without parser) took 361092.06 ms. Allocated memory was 140.0 MB in the beginning and 142.1 MB in the end (delta: 2.1 MB). Free memory was 85.3 MB in the beginning and 85.8 MB in the end (delta: -444.5 kB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-19 09:30:57,378 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-19 09:30:57,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.82 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 165.5 MB in the end (delta: -80.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-19 09:30:57,380 INFO L168 Benchmark]: Boogie Preprocessor took 89.93 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-19 09:30:57,380 INFO L168 Benchmark]: RCFGBuilder took 1625.31 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.3 MB in the beginning and 150.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-19 09:30:57,381 INFO L168 Benchmark]: Sifa took 358676.36 ms. Allocated memory was 224.4 MB in the beginning and 142.1 MB in the end (delta: -82.3 MB). Free memory was 150.0 MB in the beginning and 85.8 MB in the end (delta: 64.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 09:30:57,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.82 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 165.5 MB in the end (delta: -80.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.93 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1625.31 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.3 MB in the beginning and 150.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 358676.36 ms. Allocated memory was 224.4 MB in the beginning and 142.1 MB in the end (delta: -82.3 MB). Free memory was 150.0 MB in the beginning and 85.8 MB in the end (delta: 64.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 358630, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 518, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 359, TOOLS_POST_TIME[ms]: 222, TOOLS_POST_CALL_APPLICATIONS: 129, TOOLS_POST_CALL_TIME[ms]: 293, TOOLS_POST_RETURN_APPLICATIONS: 120, TOOLS_POST_RETURN_TIME[ms]: 27277, TOOLS_QUANTIFIERELIM_APPLICATIONS: 602, TOOLS_QUANTIFIERELIM_TIME[ms]: 27594, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27059, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 524, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 205, DOMAIN_JOIN_TIME[ms]: 318400, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 11725, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 82, DOMAIN_ISBOTTOM_TIME[ms]: 480, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 160523, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 160522, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 120, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 84085, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 536]: 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 1105#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...