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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:43:18,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:43:18,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:43:18,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:43:18,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:43:18,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:43:18,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:43:18,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:43:18,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:43:18,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:43:18,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:43:18,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:43:18,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:43:18,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:43:18,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:43:18,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:43:18,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:43:18,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:43:18,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:43:18,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:43:18,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:43:18,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:43:18,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:43:18,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:43:18,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:43:18,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:43:18,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:43:18,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:43:18,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:43:18,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:43:18,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:43:18,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:43:18,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:43:18,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:43:18,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:43:18,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:43:18,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:43:18,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:43:18,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:43:18,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:43:18,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:43:18,257 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 15:43:18,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:43:18,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:43:18,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:43:18,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:43:18,286 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:43:18,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:43:18,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:43:18,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:43:18,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:43:18,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:43:18,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:43:18,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:43:18,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:43:18,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:43:18,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:43:18,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:43:18,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:43:18,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:43:18,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:43:18,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:43:18,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:43:18,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:43:18,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:43:18,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:43:18,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:43:18,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:43:18,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:43:18,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:43:18,293 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 15:43:18,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:43:18,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:43:18,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:43:18,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:43:18,370 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:43:18,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2019-09-25 15:43:18,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9ec8450/ab3e32201e9c496fbde71b5f67ca41bd/FLAG1cb97ffdf [2019-09-25 15:43:18,952 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:43:18,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2019-09-25 15:43:18,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9ec8450/ab3e32201e9c496fbde71b5f67ca41bd/FLAG1cb97ffdf [2019-09-25 15:43:19,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9ec8450/ab3e32201e9c496fbde71b5f67ca41bd [2019-09-25 15:43:19,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:43:19,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:43:19,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:19,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:43:19,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:43:19,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:19" (1/1) ... [2019-09-25 15:43:19,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:19, skipping insertion in model container [2019-09-25 15:43:19,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:19" (1/1) ... [2019-09-25 15:43:19,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:43:19,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:43:19,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:19,935 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:43:20,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:20,063 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:43:20,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20 WrapperNode [2019-09-25 15:43:20,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:20,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:43:20,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:43:20,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:43:20,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (1/1) ... [2019-09-25 15:43:20,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:43:20,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:43:20,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:43:20,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:43:20,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:20" (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 15:43:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:43:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:43:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:43:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:43:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:43:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:43:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:43:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:43:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:43:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:43:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:43:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:43:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:43:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:43:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:43:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:43:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:43:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:43:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:43:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:43:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:43:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:43:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:43:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:43:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:43:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:43:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:43:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:43:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:43:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:43:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:43:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:43:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:43:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:43:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:43:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:43:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:43:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:43:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:43:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:43:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:43:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:43:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:43:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:43:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:43:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:43:21,846 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:43:21,846 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:43:21,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:21 BoogieIcfgContainer [2019-09-25 15:43:21,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:43:21,848 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:43:21,848 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:43:21,849 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:43:21,850 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:21" (1/1) ... [2019-09-25 15:43:21,851 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 15:43:21,874 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:43:21,874 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:43:21,882 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:43:21,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:43:21,893 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:43:32,763 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 15:43:34,431 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:43:34,616 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:34,753 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:34,874 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:34,906 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 15:43:34,973 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 15:43:34,989 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 15:43:35,165 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 15:43:35,321 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 15:43:35,769 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 15:43:36,232 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 15:43:36,464 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 531 [2019-09-25 15:43:36,621 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 531 [2019-09-25 15:43:36,774 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-25 15:43:36,908 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-25 15:43:37,535 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 75 for LOIs [2019-09-25 15:43:37,634 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-25 15:43:37,685 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 69 for LOIs [2019-09-25 15:43:37,693 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-25 15:43:37,703 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:43:37,703 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:43:37,705 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 424#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 15:43:37,719 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:43:37,720 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:43:37,722 INFO L168 Benchmark]: Toolchain (without parser) took 18450.70 ms. Allocated memory was 140.0 MB in the beginning and 423.6 MB in the end (delta: 283.6 MB). Free memory was 86.7 MB in the beginning and 147.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 223.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,723 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.77 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 165.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,725 INFO L168 Benchmark]: Boogie Preprocessor took 102.35 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,726 INFO L168 Benchmark]: RCFGBuilder took 1680.45 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 145.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,728 INFO L168 Benchmark]: Sifa took 15871.60 ms. Allocated memory was 224.4 MB in the beginning and 423.6 MB in the end (delta: 199.2 MB). Free memory was 145.9 MB in the beginning and 147.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 197.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:37,742 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 791.77 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 165.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.35 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1680.45 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 145.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 15871.60 ms. Allocated memory was 224.4 MB in the beginning and 423.6 MB in the end (delta: 199.2 MB). Free memory was 145.9 MB in the beginning and 147.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 197.7 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]: 15832, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 177, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 119, TOOLS_POST_TIME[ms]: 12732, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 113, TOOLS_POST_RETURN_APPLICATIONS: 41, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 210, TOOLS_QUANTIFIERELIM_TIME[ms]: 12814, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12661, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 181, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 2607, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 32, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 129, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 523, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 523, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 41, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13068, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13067, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 392, DAG_COMPRESSION_RETAINED_NODES: 180 - UnprovableResult [Line: 402]: 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 424#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string3.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.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...