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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:24:30,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:24:30,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:24:30,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:24:30,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:24:30,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:24:30,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:24:30,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:24:30,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:24:30,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:24:30,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:24:30,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:24:30,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:24:30,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:24:30,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:24:30,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:24:30,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:24:30,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:24:30,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:24:30,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:24:30,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:24:30,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:24:30,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:24:30,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:24:30,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:24:30,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:24:30,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:24:30,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:24:30,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:24:30,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:24:30,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:24:30,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:24:30,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:24:30,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:24:30,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:24:30,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:24:30,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:24:30,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:24:30,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:24:30,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:24:30,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:24:30,293 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 17:24:30,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:24:30,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:24:30,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:24:30,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:24:30,325 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:24:30,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:24:30,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:24:30,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:24:30,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:24:30,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:24:30,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:24:30,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:24:30,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:24:30,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:24:30,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:24:30,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:24:30,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:24:30,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:24:30,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:24:30,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:24:30,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:24:30,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:24:30,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:24:30,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:24:30,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:24:30,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:24:30,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:24:30,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:24:30,331 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:24:30,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:24:30,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:24:30,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:24:30,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:24:30,405 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:24:30,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-19 17:24:30,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54c3b07c/ad56a2083675492c8805286cff0f5824/FLAGd7651a916 [2019-09-19 17:24:30,925 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:24:30,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-19 17:24:30,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54c3b07c/ad56a2083675492c8805286cff0f5824/FLAGd7651a916 [2019-09-19 17:24:31,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54c3b07c/ad56a2083675492c8805286cff0f5824 [2019-09-19 17:24:31,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:24:31,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:24:31,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:24:31,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:24:31,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:24:31,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:31,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4229c3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31, skipping insertion in model container [2019-09-19 17:24:31,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:31,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:24:31,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:24:31,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:24:31,861 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:24:31,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:24:31,974 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:24:31,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31 WrapperNode [2019-09-19 17:24:31,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:24:31,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:24:31,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:24:31,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:24:31,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:31,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (1/1) ... [2019-09-19 17:24:32,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:24:32,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:24:32,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:24:32,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:24:32,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:24:31" (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 17:24:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:24:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:24:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:24:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:24:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:24:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:24:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:24:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:24:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:24:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:24:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:24:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:24:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:24:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:24:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:24:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:24:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:24:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:24:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:24:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:24:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:24:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:24:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:24:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:24:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:24:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:24:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:24:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:24:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:24:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:24:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:24:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:24:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:24:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:24:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:24:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:24:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:24:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:24:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:24:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:24:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:24:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:24:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:24:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:24:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:24:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:24:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:24:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:24:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:24:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:24:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:24:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:24:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:24:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:24:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:24:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:24:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:24:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:24:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:24:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:24:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:24:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:24:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:24:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:24:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:24:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:24:33,659 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:24:33,660 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:24:33,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:24:33 BoogieIcfgContainer [2019-09-19 17:24:33,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:24:33,662 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:24:33,662 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:24:33,662 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:24:33,663 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:24:33" (1/1) ... [2019-09-19 17:24:33,664 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-19 17:24:33,686 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:24:33,687 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:24:33,696 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:24:33,705 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:24:33,706 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:24:57,973 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:24:59,485 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:25:03,380 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:25:05,191 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:25:06,955 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:25:06,972 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:25:07,014 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:25:07,018 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:25:07,507 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:25:07,542 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:25:07,554 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:25:07,561 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:25:07,563 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:25:07,564 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:25:07,566 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 550#true [2019-09-19 17:25:07,577 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:25:07,577 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:25:07,579 INFO L168 Benchmark]: Toolchain (without parser) took 36306.06 ms. Allocated memory was 132.6 MB in the beginning and 417.9 MB in the end (delta: 285.2 MB). Free memory was 88.2 MB in the beginning and 111.9 MB in the end (delta: -23.7 MB). Peak memory consumption was 261.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,580 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.93 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 165.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,582 INFO L168 Benchmark]: Boogie Preprocessor took 92.54 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 161.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,583 INFO L168 Benchmark]: RCFGBuilder took 1593.04 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 161.9 MB in the beginning and 149.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,584 INFO L168 Benchmark]: Sifa took 33915.82 ms. Allocated memory was 224.4 MB in the beginning and 417.9 MB in the end (delta: 193.5 MB). Free memory was 149.5 MB in the beginning and 111.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. [2019-09-19 17:25:07,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.93 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 165.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.54 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 161.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1593.04 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 161.9 MB in the beginning and 149.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Sifa took 33915.82 ms. Allocated memory was 224.4 MB in the beginning and 417.9 MB in the end (delta: 193.5 MB). Free memory was 149.5 MB in the beginning and 111.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 33879, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 29628, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_APPLICATIONS: 228, TOOLS_QUANTIFIERELIM_TIME[ms]: 29659, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29605, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 193, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 3870, DOMAIN_ALPHA_APPLICATIONS: 193, DOMAIN_ALPHA_TIME[ms]: 175, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 343, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 342, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33517, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33516, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 535]: 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 550#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...