java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:09:38,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:09:38,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:09:38,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:09:38,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:09:38,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:09:38,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:09:38,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:09:38,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:09:38,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:09:38,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:09:38,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:09:38,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:09:38,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:09:38,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:09:38,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:09:38,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:09:38,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:09:38,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:09:38,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:09:38,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:09:38,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:09:38,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:09:38,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:09:38,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:09:38,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:09:38,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:09:38,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:09:38,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:09:38,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:09:38,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:09:38,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:09:38,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:09:38,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:09:38,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:09:38,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:09:38,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:09:38,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:09:38,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:09:38,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:09:38,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:09:38,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:09:38,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:09:38,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:09:38,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:09:38,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:09:38,317 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:09:38,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:09:38,317 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:09:38,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:09:38,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:09:38,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:09:38,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:09:38,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:09:38,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:09:38,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:09:38,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:09:38,320 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:09:38,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:09:38,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:09:38,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:09:38,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:09:38,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:09:38,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:38,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:09:38,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:09:38,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:09:38,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:09:38,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:09:38,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:09:38,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:09:38,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:09:38,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:09:38,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:09:38,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:09:38,394 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:09:38,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-25 17:09:38,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146aac43/d83985a7b4af412abc4558554d2e571c/FLAGc07d2611d [2019-09-25 17:09:38,988 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:09:38,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-25 17:09:39,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146aac43/d83985a7b4af412abc4558554d2e571c/FLAGc07d2611d [2019-09-25 17:09:39,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146aac43/d83985a7b4af412abc4558554d2e571c [2019-09-25 17:09:39,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:09:39,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:09:39,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:39,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:09:39,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:09:39,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:39,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39, skipping insertion in model container [2019-09-25 17:09:39,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:39,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:09:39,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:09:39,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:39,826 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:09:39,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:39,967 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:09:39,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39 WrapperNode [2019-09-25 17:09:39,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:39,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:09:39,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:09:39,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:09:39,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:39,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... [2019-09-25 17:09:40,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:09:40,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:09:40,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:09:40,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:09:40,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:09:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:09:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:09:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:09:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:09:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:09:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:09:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:09:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:09:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:09:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:09:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:09:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:09:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:09:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:09:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:09:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:09:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:09:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:09:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:09:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:09:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:09:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:09:41,694 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:09:41,695 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:09:41,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:41 BoogieIcfgContainer [2019-09-25 17:09:41,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:09:41,697 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:09:41,697 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:09:41,697 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:09:41,698 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:41" (1/1) ... [2019-09-25 17:09:41,699 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:09:41,725 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:09:41,725 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:09:41,739 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:09:41,749 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:09:41,751 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:09:52,487 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:09:54,208 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:09:54,357 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:54,521 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:54,645 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:54,670 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:09:54,717 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:09:54,724 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:09:54,899 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:09:55,079 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:09:55,588 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:09:56,082 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:09:56,602 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:09:56,714 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 69 for LOIs [2019-09-25 17:09:56,868 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:09:56,926 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:09:56,931 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 17:09:56,940 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:09:56,941 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:09:56,943 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 441#(and (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:09:56,957 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:09:56,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:09:56,959 INFO L168 Benchmark]: Toolchain (without parser) took 17664.65 ms. Allocated memory was 131.1 MB in the beginning and 392.7 MB in the end (delta: 261.6 MB). Free memory was 85.3 MB in the beginning and 340.1 MB in the end (delta: -254.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:56,960 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:09:56,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.20 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 162.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:56,962 INFO L168 Benchmark]: Boogie Preprocessor took 126.41 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:56,968 INFO L168 Benchmark]: RCFGBuilder took 1601.15 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 157.8 MB in the beginning and 144.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:56,969 INFO L168 Benchmark]: Sifa took 15260.66 ms. Allocated memory was 218.6 MB in the beginning and 392.7 MB in the end (delta: 174.1 MB). Free memory was 142.7 MB in the beginning and 340.1 MB in the end (delta: -197.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:09:56,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.20 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 162.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.41 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1601.15 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 157.8 MB in the beginning and 144.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 15260.66 ms. Allocated memory was 218.6 MB in the beginning and 392.7 MB in the end (delta: 174.1 MB). Free memory was 142.7 MB in the beginning and 340.1 MB in the end (delta: -197.5 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]: 15218, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 210, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME[ms]: 12566, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 133, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 57, TOOLS_QUANTIFIERELIM_APPLICATIONS: 251, TOOLS_QUANTIFIERELIM_TIME[ms]: 12665, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12506, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 214, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 64, DOMAIN_JOIN_TIME[ms]: 1973, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 227, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 84, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1318, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1317, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12947, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12946, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 38, 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 441#(and (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...