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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:08:08,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:08:08,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:08:08,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:08:08,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:08:08,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:08:08,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:08:08,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:08:08,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:08:08,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:08:08,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:08:08,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:08:08,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:08:08,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:08:08,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:08:08,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:08:08,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:08:08,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:08:08,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:08:08,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:08:08,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:08:08,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:08:08,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:08:08,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:08:08,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:08:08,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:08:08,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:08:08,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:08:08,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:08:08,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:08:08,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:08:08,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:08:08,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:08:08,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:08:08,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:08:08,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:08:08,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:08:08,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:08:08,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:08:08,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:08:08,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:08:08,419 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 [2019-09-17 06:08:08,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:08:08,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:08:08,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:08:08,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:08:08,434 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:08:08,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:08:08,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:08:08,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:08:08,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:08:08,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:08:08,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:08:08,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:08:08,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:08:08,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:08:08,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:08:08,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:08:08,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:08:08,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:08:08,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:08:08,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:08:08,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:08:08,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:08:08,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:08:08,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:08:08,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:08:08,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:08:08,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:08:08,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:08:08,439 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:08:08,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:08:08,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:08:08,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:08:08,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:08:08,520 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:08:08,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-17 06:08:08,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08025a2d6/cfdc37327d44453296acdca3cc240855/FLAGbb1d33d2f [2019-09-17 06:08:09,087 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:08:09,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-17 06:08:09,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08025a2d6/cfdc37327d44453296acdca3cc240855/FLAGbb1d33d2f [2019-09-17 06:08:09,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08025a2d6/cfdc37327d44453296acdca3cc240855 [2019-09-17 06:08:09,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:08:09,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:08:09,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:09,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:08:09,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:08:09,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:09" (1/1) ... [2019-09-17 06:08:09,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453c3fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:09, skipping insertion in model container [2019-09-17 06:08:09,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:09" (1/1) ... [2019-09-17 06:08:09,425 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:08:09,492 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:08:09,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:09,983 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:08:10,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:10,088 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:08:10,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10 WrapperNode [2019-09-17 06:08:10,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:10,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:08:10,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:08:10,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:08:10,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (1/1) ... [2019-09-17 06:08:10,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:08:10,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:08:10,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:08:10,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:08:10,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:10" (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 [2019-09-17 06:08:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:08:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:08:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:08:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:08:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:08:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:08:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:08:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:08:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:08:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:08:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:08:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:08:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:08:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:08:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:08:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:08:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:08:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:08:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:08:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:08:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:08:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:08:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:08:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:08:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:08:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:08:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:08:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:08:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:08:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:08:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:08:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:08:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:08:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:08:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:08:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:08:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:08:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:08:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:08:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:08:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:08:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:08:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:08:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:08:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:08:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:08:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:08:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:08:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:08:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:08:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:08:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:08:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:08:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:08:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:08:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:08:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:08:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:08:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:08:11,683 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:08:11,683 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:08:11,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:11 BoogieIcfgContainer [2019-09-17 06:08:11,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:08:11,685 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:08:11,685 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:08:11,685 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:08:11,686 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:11" (1/1) ... [2019-09-17 06:08:11,687 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:08:11,715 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:08:11,715 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:08:11,726 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:08:11,736 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:08:11,738 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:08:20,790 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:08:22,320 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:08:22,491 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:22,632 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:22,763 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:22,787 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:08:22,846 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:08:22,851 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:08:23,010 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:23,134 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:23,676 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:08:24,008 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:08:24,266 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:08:24,520 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:08:24,832 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:08:25,121 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:08:25,377 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:08:25,555 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:08:25,762 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:08:26,059 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:08:26,254 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:08:26,798 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-17 06:08:27,030 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-17 06:08:27,727 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:08:27,830 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:08:27,933 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:08:28,274 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 06:08:28,275 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-17 06:08:28,327 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 85 for LOIs [2019-09-17 06:08:28,335 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 94 for LOIs [2019-09-17 06:08:28,358 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:28,358 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:28,360 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 453#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (and (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (not (= 0 ~systemActive~0)))) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:28,375 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:28,375 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:28,377 INFO L168 Benchmark]: Toolchain (without parser) took 18968.19 ms. Allocated memory was 132.1 MB in the beginning and 618.7 MB in the end (delta: 486.5 MB). Free memory was 87.2 MB in the beginning and 143.8 MB in the end (delta: -56.7 MB). Peak memory consumption was 429.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,378 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.24 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 164.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,380 INFO L168 Benchmark]: Boogie Preprocessor took 87.22 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 160.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,381 INFO L168 Benchmark]: RCFGBuilder took 1507.33 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 147.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,382 INFO L168 Benchmark]: Sifa took 16690.72 ms. Allocated memory was 221.8 MB in the beginning and 618.7 MB in the end (delta: 396.9 MB). Free memory was 147.1 MB in the beginning and 143.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 400.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:28,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.24 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 164.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.22 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 160.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1507.33 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 147.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. * Sifa took 16690.72 ms. Allocated memory was 221.8 MB in the beginning and 618.7 MB in the end (delta: 396.9 MB). Free memory was 147.1 MB in the beginning and 143.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 400.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16646, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 214, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 10742, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 77, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 10863, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10654, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 5282, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 223, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 794, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 793, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11101, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11100, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 523, DAG_COMPRESSION_RETAINED_NODES: 218 - UnprovableResult [Line: 944]: 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 453#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (and (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (not (= 0 ~systemActive~0)))) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...