java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:42:04,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:42:04,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:42:04,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:42:04,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:42:04,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:42:04,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:42:04,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:42:04,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:42:04,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:42:04,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:42:04,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:42:04,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:42:04,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:42:04,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:42:04,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:42:04,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:42:04,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:42:04,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:42:04,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:42:04,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:42:04,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:42:04,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:42:04,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:42:04,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:42:04,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:42:04,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:42:04,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:42:04,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:42:04,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:42:04,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:42:04,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:42:04,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:42:04,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:42:04,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:42:04,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:42:04,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:42:04,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:42:04,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:42:04,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:42:04,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:42:04,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 15:42:04,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:42:04,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:42:04,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:42:04,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:42:04,324 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:42:04,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:42:04,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:42:04,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:42:04,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:42:04,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:42:04,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:42:04,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:42:04,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:42:04,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:42:04,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:42:04,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:42:04,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:42:04,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:42:04,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:42:04,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:42:04,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:42:04,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:42:04,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:42:04,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:42:04,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:42:04,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:42:04,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:42:04,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:42:04,331 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:42:04,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:42:04,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:42:04,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:42:04,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:42:04,409 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:42:04,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-25 15:42:04,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d26cb88/e6fe87bebf6e406b8ef63fabe06d9465/FLAG0aba8aacb [2019-09-25 15:42:05,045 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:42:05,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-25 15:42:05,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d26cb88/e6fe87bebf6e406b8ef63fabe06d9465/FLAG0aba8aacb [2019-09-25 15:42:05,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d26cb88/e6fe87bebf6e406b8ef63fabe06d9465 [2019-09-25 15:42:05,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:42:05,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:42:05,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:05,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:42:05,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:42:05,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:05" (1/1) ... [2019-09-25 15:42:05,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5192f0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:05, skipping insertion in model container [2019-09-25 15:42:05,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:05" (1/1) ... [2019-09-25 15:42:05,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:42:05,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:42:05,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:05,921 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:42:06,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:06,097 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:42:06,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06 WrapperNode [2019-09-25 15:42:06,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:06,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:42:06,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:42:06,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:42:06,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... [2019-09-25 15:42:06,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:42:06,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:42:06,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:42:06,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:42:06,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:42:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:42:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:42:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:42:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:42:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:42:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:42:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:42:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:42:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:42:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:42:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:42:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:42:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:42:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:42:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:42:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:42:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:42:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:42:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:42:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:42:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:42:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:42:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:42:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:42:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:42:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:42:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:42:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:42:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:42:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:42:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:42:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:42:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:42:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:42:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:42:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:42:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:42:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:42:07,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:42:07,900 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:42:07,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:07 BoogieIcfgContainer [2019-09-25 15:42:07,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:42:07,902 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:42:07,902 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:42:07,903 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:42:07,905 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:07" (1/1) ... [2019-09-25 15:42:07,905 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:42:07,935 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:42:07,935 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:42:07,947 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:42:07,959 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:42:07,960 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:42:17,644 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:42:19,412 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:42:19,542 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:19,713 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:19,842 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:19,869 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-25 15:42:19,916 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-25 15:42:19,921 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-25 15:42:20,397 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 15:42:20,724 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 15:42:21,097 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-25 15:42:21,202 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-25 15:42:21,560 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 15:42:21,895 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 15:42:22,141 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 15:42:22,261 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 15:42:22,518 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 15:42:22,771 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 15:42:22,844 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:42:22,851 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 15:42:22,912 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 66 for LOIs [2019-09-25 15:42:22,919 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 15:42:22,928 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:42:22,928 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:42:22,930 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 301#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string34.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string45.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 15:42:22,944 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:42:22,944 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:42:22,946 INFO L168 Benchmark]: Toolchain (without parser) took 17543.13 ms. Allocated memory was 139.5 MB in the beginning and 450.9 MB in the end (delta: 311.4 MB). Free memory was 85.8 MB in the beginning and 393.9 MB in the end (delta: -308.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:22,947 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:42:22,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.01 ms. Allocated memory was 139.5 MB in the beginning and 198.2 MB in the end (delta: 58.7 MB). Free memory was 85.6 MB in the beginning and 161.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:22,949 INFO L168 Benchmark]: Boogie Preprocessor took 85.35 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 158.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:22,950 INFO L168 Benchmark]: RCFGBuilder took 1717.56 ms. Allocated memory was 198.2 MB in the beginning and 221.8 MB in the end (delta: 23.6 MB). Free memory was 158.2 MB in the beginning and 142.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:22,951 INFO L168 Benchmark]: Sifa took 15042.19 ms. Allocated memory was 221.8 MB in the beginning and 450.9 MB in the end (delta: 229.1 MB). Free memory was 142.7 MB in the beginning and 393.9 MB in the end (delta: -251.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:42:22,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.01 ms. Allocated memory was 139.5 MB in the beginning and 198.2 MB in the end (delta: 58.7 MB). Free memory was 85.6 MB in the beginning and 161.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.35 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 158.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1717.56 ms. Allocated memory was 198.2 MB in the beginning and 221.8 MB in the end (delta: 23.6 MB). Free memory was 158.2 MB in the beginning and 142.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Sifa took 15042.19 ms. Allocated memory was 221.8 MB in the beginning and 450.9 MB in the end (delta: 229.1 MB). Free memory was 142.7 MB in the beginning and 393.9 MB in the end (delta: -251.2 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]: 14996, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 133, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 85, TOOLS_POST_TIME[ms]: 11553, TOOLS_POST_CALL_APPLICATIONS: 38, TOOLS_POST_CALL_TIME[ms]: 126, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 153, TOOLS_QUANTIFIERELIM_TIME[ms]: 11660, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11493, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 135, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 2755, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 222, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 113, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2085, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2085, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 31, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11914, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11913, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 324, DAG_COMPRESSION_RETAINED_NODES: 162 - UnprovableResult [Line: 543]: 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 301#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string34.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string45.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...