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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:24:07,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:24:07,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:24:07,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:24:07,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:24:07,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:24:07,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:24:07,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:24:07,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:24:07,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:24:07,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:24:07,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:24:07,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:24:07,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:24:07,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:24:07,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:24:07,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:24:07,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:24:07,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:24:07,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:24:07,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:24:07,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:24:07,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:24:07,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:24:07,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:24:07,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:24:07,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:24:07,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:24:07,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:24:07,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:24:07,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:24:07,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:24:07,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:24:07,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:24:07,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:24:07,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:24:07,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:24:07,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:24:07,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:24:07,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:24:07,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:24:07,460 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 [2019-09-19 23:24:07,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:24:07,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:24:07,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:24:07,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:24:07,475 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:24:07,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:24:07,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:24:07,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:24:07,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:24:07,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:24:07,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:24:07,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:24:07,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:24:07,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:24:07,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:24:07,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:24:07,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:24:07,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:24:07,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:24:07,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:24:07,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:24:07,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:24:07,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:24:07,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:24:07,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:24:07,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:24:07,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:24:07,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:24:07,480 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:24:07,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:24:07,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:24:07,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:24:07,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:24:07,552 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:24:07,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-19 23:24:07,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f44a1dd/9a7b739cb9064df6bd9787495fb438c7/FLAGdddc9d7bb [2019-09-19 23:24:08,186 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:24:08,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-19 23:24:08,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f44a1dd/9a7b739cb9064df6bd9787495fb438c7/FLAGdddc9d7bb [2019-09-19 23:24:08,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f44a1dd/9a7b739cb9064df6bd9787495fb438c7 [2019-09-19 23:24:08,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:24:08,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:24:08,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:24:08,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:24:08,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:24:08,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:24:08" (1/1) ... [2019-09-19 23:24:08,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:08, skipping insertion in model container [2019-09-19 23:24:08,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:24:08" (1/1) ... [2019-09-19 23:24:08,493 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:24:08,552 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:24:08,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:24:08,992 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:24:09,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:24:09,129 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:24:09,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09 WrapperNode [2019-09-19 23:24:09,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:24:09,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:24:09,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:24:09,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:24:09,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (1/1) ... [2019-09-19 23:24:09,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:24:09,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:24:09,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:24:09,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:24:09,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:24:09" (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 [2019-09-19 23:24:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:24:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:24:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:24:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:24:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:24:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:24:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-19 23:24:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:24:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:24:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:24:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:24:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:24:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:24:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:24:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:24:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:24:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:24:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:24:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:24:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:24:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:24:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:24:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-19 23:24:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 23:24:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:24:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:24:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:24:11,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:24:11,078 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:24:11,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:24:11 BoogieIcfgContainer [2019-09-19 23:24:11,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:24:11,081 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:24:11,081 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:24:11,081 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:24:11,082 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:24:11" (1/1) ... [2019-09-19 23:24:11,083 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 23:24:11,118 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:24:11,119 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:24:11,132 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:24:11,143 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:24:11,144 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:24:31,318 WARN L191 SmtUtils]: Spent 11.81 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:24:33,103 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:24:36,796 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:24:38,554 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:24:40,239 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:24:40,254 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-19 23:24:40,341 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-19 23:24:40,347 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-19 23:24:51,406 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-19 23:24:56,761 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 23:25:07,360 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-19 23:25:12,766 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 23:25:39,173 WARN L191 SmtUtils]: Spent 26.35 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-19 23:25:47,913 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:25:48,759 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-19 23:25:48,875 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-09-19 23:26:00,195 WARN L191 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 459 DAG size of output: 454 [2019-09-19 23:26:05,709 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:26:07,648 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:26:09,588 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:26:15,178 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 458 DAG size of output: 450 [2019-09-19 23:26:17,008 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-19 23:26:22,520 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 458 DAG size of output: 450 [2019-09-19 23:26:24,402 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-19 23:26:35,106 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 23:26:35,558 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-19 23:26:35,728 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-19 23:27:02,357 WARN L191 SmtUtils]: Spent 26.47 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-19 23:27:11,231 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:27:22,188 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 459 DAG size of output: 454 [2019-09-19 23:27:27,526 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:27:29,605 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:27:31,517 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:27:37,091 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 458 DAG size of output: 450 [2019-09-19 23:27:38,962 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-19 23:27:44,531 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 458 DAG size of output: 450 [2019-09-19 23:27:46,387 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-19 23:27:57,045 WARN L191 SmtUtils]: Spent 10.64 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 23:27:57,391 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-19 23:27:57,545 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-19 23:27:57,606 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 23:27:58,071 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 23:27:58,156 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-19 23:27:58,161 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 17 for LOIs [2019-09-19 23:27:58,185 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:27:58,186 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:27:58,189 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 504#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-19 23:27:58,211 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:27:58,211 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:27:58,212 INFO L168 Benchmark]: Toolchain (without parser) took 229734.68 ms. Allocated memory was 131.1 MB in the beginning and 148.9 MB in the end (delta: 17.8 MB). Free memory was 85.5 MB in the beginning and 63.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,213 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 160.8 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,215 INFO L168 Benchmark]: Boogie Preprocessor took 82.54 ms. Allocated memory is still 198.7 MB. Free memory was 160.8 MB in the beginning and 156.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,216 INFO L168 Benchmark]: RCFGBuilder took 1866.95 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 156.3 MB in the beginning and 134.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,217 INFO L168 Benchmark]: Sifa took 227130.04 ms. Allocated memory was 219.2 MB in the beginning and 148.9 MB in the end (delta: -70.3 MB). Free memory was 134.4 MB in the beginning and 63.6 MB in the end (delta: 70.8 MB). Peak memory consumption was 583.9 kB. Max. memory is 7.1 GB. [2019-09-19 23:27:58,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 160.8 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.54 ms. Allocated memory is still 198.7 MB. Free memory was 160.8 MB in the beginning and 156.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1866.95 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 156.3 MB in the beginning and 134.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Sifa took 227130.04 ms. Allocated memory was 219.2 MB in the beginning and 148.9 MB in the end (delta: -70.3 MB). Free memory was 134.4 MB in the beginning and 63.6 MB in the end (delta: 70.8 MB). Peak memory consumption was 583.9 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 227071, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 256, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 170, TOOLS_POST_TIME[ms]: 25673, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_APPLICATIONS: 307, TOOLS_QUANTIFIERELIM_TIME[ms]: 25859, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25569, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 265, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 178889, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 21747, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 268, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 94653, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 94652, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30436, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30435, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 414, DAG_COMPRESSION_RETAINED_NODES: 222 - UnprovableResult [Line: 595]: 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 504#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...