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 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:47:32,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:47:32,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:47:32,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:47:32,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:47:32,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:47:32,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:47:32,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:47:32,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:47:32,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:47:32,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:47:32,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:47:32,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:47:32,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:47:32,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:47:32,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:47:32,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:47:32,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:47:32,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:47:32,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:47:32,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:47:32,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:47:32,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:47:32,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:47:32,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:47:32,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:47:32,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:47:32,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:47:32,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:47:32,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:47:32,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:47:32,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:47:32,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:47:32,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:47:32,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:47:32,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:47:32,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:47:32,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:47:32,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:47:32,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:47:32,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:47:32,350 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 17:47:32,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:47:32,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:47:32,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:47:32,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:47:32,367 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:47:32,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:47:32,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:47:32,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:47:32,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:47:32,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:47:32,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:47:32,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:47:32,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:47:32,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:47:32,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:47:32,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:47:32,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:47:32,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:47:32,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:47:32,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:47:32,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:47:32,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:47:32,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:47:32,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:47:32,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:47:32,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:47:32,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:47:32,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:47:32,372 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:47:32,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:47:32,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:47:32,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:47:32,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:47:32,424 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:47:32,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-25 17:47:32,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830c61800/611610f2ef524918a54ce88e7be4d5e4/FLAGb7d521563 [2019-09-25 17:47:33,023 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:47:33,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-25 17:47:33,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830c61800/611610f2ef524918a54ce88e7be4d5e4/FLAGb7d521563 [2019-09-25 17:47:33,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/830c61800/611610f2ef524918a54ce88e7be4d5e4 [2019-09-25 17:47:33,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:47:33,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:47:33,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:47:33,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:47:33,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:47:33,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:47:33" (1/1) ... [2019-09-25 17:47:33,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609faa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:33, skipping insertion in model container [2019-09-25 17:47:33,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:47:33" (1/1) ... [2019-09-25 17:47:33,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:47:33,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:47:33,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:47:33,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:47:34,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:47:34,112 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:47:34,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34 WrapperNode [2019-09-25 17:47:34,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:47:34,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:47:34,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:47:34,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:47:34,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (1/1) ... [2019-09-25 17:47:34,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:47:34,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:47:34,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:47:34,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:47:34,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:34" (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 17:47:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:47:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:47:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:47:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:47:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:47:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:47:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:47:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:47:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:47:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:47:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:47:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:47:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:47:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:47:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 17:47:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:47:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:47:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:47:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:47:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:47:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:47:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:47:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:47:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:47:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:47:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 17:47:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:47:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:47:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:47:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:47:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:47:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:47:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:47:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:47:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:47:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:47:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:47:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 17:47:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:47:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:47:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:47:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:47:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:47:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:47:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:47:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:47:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:47:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:47:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:47:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:47:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:47:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:47:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:47:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:47:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:47:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:47:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:47:36,018 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:47:36,018 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:47:36,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:47:36 BoogieIcfgContainer [2019-09-25 17:47:36,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:47:36,022 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:47:36,022 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:47:36,022 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:47:36,024 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:47:36" (1/1) ... [2019-09-25 17:47:36,024 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:47:36,054 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:47:36,055 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:47:36,071 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:47:36,081 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:47:36,083 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:47:46,406 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:47:48,115 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:47:48,277 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:48,399 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:48,518 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:48,534 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:47:48,580 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:47:48,586 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:47:49,131 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:49,604 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:49,870 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:50,184 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:50,378 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:50,629 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:50,794 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:51,074 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:51,581 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:47:52,904 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:47:53,347 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-25 17:47:54,307 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:47:54,967 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:47:55,186 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:47:55,189 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-25 17:47:55,273 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 17:47:55,278 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 17:47:55,288 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:47:55,289 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:47:55,291 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 573#(and (= |#t~string8.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (not (= ~pumpRunning~0 0)) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-25 17:47:55,305 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:47:55,305 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:47:55,307 INFO L168 Benchmark]: Toolchain (without parser) took 21963.54 ms. Allocated memory was 139.5 MB in the beginning and 637.0 MB in the end (delta: 497.5 MB). Free memory was 85.7 MB in the beginning and 104.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 478.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:55,308 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:47:55,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.97 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 166.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:55,310 INFO L168 Benchmark]: Boogie Preprocessor took 87.66 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 162.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:55,311 INFO L168 Benchmark]: RCFGBuilder took 1818.98 ms. Allocated memory was 201.3 MB in the beginning and 224.4 MB in the end (delta: 23.1 MB). Free memory was 162.5 MB in the beginning and 141.8 MB in the end (delta: 20.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:55,312 INFO L168 Benchmark]: Sifa took 19283.29 ms. Allocated memory was 224.4 MB in the beginning and 637.0 MB in the end (delta: 412.6 MB). Free memory was 141.8 MB in the beginning and 104.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 449.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:55,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.97 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 166.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.66 ms. Allocated memory is still 201.3 MB. Free memory was 166.1 MB in the beginning and 162.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1818.98 ms. Allocated memory was 201.3 MB in the beginning and 224.4 MB in the end (delta: 23.1 MB). Free memory was 162.5 MB in the beginning and 141.8 MB in the end (delta: 20.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Sifa took 19283.29 ms. Allocated memory was 224.4 MB in the beginning and 637.0 MB in the end (delta: 412.6 MB). Free memory was 141.8 MB in the beginning and 104.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 449.8 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]: 19237, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 258, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 165, TOOLS_POST_TIME[ms]: 12207, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME[ms]: 199, TOOLS_POST_RETURN_APPLICATIONS: 68, TOOLS_POST_RETURN_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_APPLICATIONS: 307, TOOLS_QUANTIFIERELIM_TIME[ms]: 12395, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12118, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 262, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 82, DOMAIN_JOIN_TIME[ms]: 6390, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 169, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 921, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 921, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 68, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12553, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12553, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 542, DAG_COMPRESSION_RETAINED_NODES: 283 - UnprovableResult [Line: 651]: 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 573#(and (= |#t~string8.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (not (= ~pumpRunning~0 0)) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...