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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 23:47:42,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 23:47:42,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 23:47:42,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 23:47:42,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 23:47:42,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 23:47:42,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 23:47:42,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 23:47:42,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 23:47:42,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 23:47:42,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 23:47:42,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 23:47:42,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 23:47:42,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 23:47:42,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 23:47:42,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 23:47:42,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 23:47:42,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 23:47:42,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 23:47:42,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 23:47:42,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 23:47:42,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 23:47:42,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 23:47:42,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 23:47:42,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 23:47:42,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 23:47:42,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 23:47:42,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 23:47:42,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 23:47:42,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 23:47:42,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 23:47:42,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 23:47:42,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 23:47:42,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 23:47:42,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 23:47:42,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 23:47:42,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 23:47:42,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 23:47:42,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 23:47:42,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 23:47:42,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 23:47:42,694 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 [2019-09-18 23:47:42,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 23:47:42,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 23:47:42,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 23:47:42,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 23:47:42,724 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 23:47:42,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 23:47:42,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 23:47:42,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 23:47:42,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 23:47:42,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 23:47:42,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 23:47:42,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 23:47:42,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 23:47:42,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 23:47:42,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 23:47:42,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 23:47:42,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 23:47:42,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 23:47:42,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 23:47:42,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 23:47:42,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 23:47:42,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 23:47:42,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 23:47:42,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 23:47:42,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 23:47:42,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 23:47:42,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 23:47:42,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 23:47:42,730 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 23:47:42,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 23:47:42,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 23:47:42,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 23:47:42,801 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 23:47:42,802 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 23:47:42,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-18 23:47:42,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459cb3821/c774234379d5412f8ddc51f705537657/FLAG5bb3a7fca [2019-09-18 23:47:43,365 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 23:47:43,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-18 23:47:43,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459cb3821/c774234379d5412f8ddc51f705537657/FLAG5bb3a7fca [2019-09-18 23:47:43,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459cb3821/c774234379d5412f8ddc51f705537657 [2019-09-18 23:47:43,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 23:47:43,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 23:47:43,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 23:47:43,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 23:47:43,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 23:47:43,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:47:43" (1/1) ... [2019-09-18 23:47:43,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9a95ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:43, skipping insertion in model container [2019-09-18 23:47:43,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:47:43" (1/1) ... [2019-09-18 23:47:43,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 23:47:43,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 23:47:44,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:47:44,190 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 23:47:44,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:47:44,351 INFO L192 MainTranslator]: Completed translation [2019-09-18 23:47:44,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44 WrapperNode [2019-09-18 23:47:44,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 23:47:44,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 23:47:44,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 23:47:44,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 23:47:44,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (1/1) ... [2019-09-18 23:47:44,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 23:47:44,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 23:47:44,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 23:47:44,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 23:47:44,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:47:44" (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 [2019-09-18 23:47:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 23:47:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 23:47:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 23:47:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 23:47:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 23:47:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 23:47:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 23:47:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 23:47:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 23:47:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 23:47:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 23:47:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 23:47:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 23:47:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 23:47:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 23:47:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 23:47:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 23:47:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 23:47:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 23:47:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 23:47:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 23:47:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 23:47:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 23:47:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 23:47:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 23:47:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 23:47:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 23:47:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 23:47:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 23:47:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 23:47:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 23:47:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 23:47:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 23:47:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 23:47:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 23:47:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 23:47:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 23:47:46,046 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 23:47:46,046 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 23:47:46,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:47:46 BoogieIcfgContainer [2019-09-18 23:47:46,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 23:47:46,049 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 23:47:46,049 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 23:47:46,050 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 23:47:46,051 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:47:46" (1/1) ... [2019-09-18 23:47:46,052 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 23:47:46,078 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 23:47:46,079 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 23:47:46,089 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 23:47:46,098 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 23:47:46,100 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 23:47:58,110 WARN L191 SmtUtils]: Spent 11.90 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:48:09,664 WARN L191 SmtUtils]: Spent 11.55 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:48:33,416 WARN L191 SmtUtils]: Spent 14.23 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 23:48:35,191 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 23:48:39,077 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 23:48:39,086 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 23:48:40,736 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:42,445 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:44,122 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:45,798 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:47,486 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:48:49,139 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:48:50,792 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:52,454 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:48:52,462 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 23:48:52,467 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 23:48:56,000 WARN L191 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 23:48:57,665 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 23:49:08,603 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:49:13,952 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:49:24,803 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:49:30,144 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:49:41,285 WARN L191 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:49:46,887 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:49:58,208 WARN L191 SmtUtils]: Spent 11.32 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:50:03,786 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:50:15,068 WARN L191 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:50:20,668 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:50:31,816 WARN L191 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:50:37,106 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:50:48,051 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:50:53,405 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:51:04,219 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:51:09,575 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:51:20,381 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 453 DAG size of output: 451 [2019-09-18 23:51:25,783 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 23:51:36,034 WARN L191 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 23:51:41,067 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:52:00,267 WARN L191 SmtUtils]: Spent 19.07 s on a formula simplification. DAG size of input: 472 DAG size of output: 467 [2019-09-18 23:52:08,558 WARN L191 SmtUtils]: Spent 8.29 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 23:52:16,900 WARN L191 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:52:25,107 WARN L191 SmtUtils]: Spent 8.21 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:52:44,793 WARN L191 SmtUtils]: Spent 19.63 s on a formula simplification. DAG size of input: 477 DAG size of output: 469 [2019-09-18 23:52:53,168 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 23:53:12,851 WARN L191 SmtUtils]: Spent 19.68 s on a formula simplification. DAG size of input: 477 DAG size of output: 469 [2019-09-18 23:53:21,213 WARN L191 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 23:53:22,621 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 23:53:39,332 WARN L191 SmtUtils]: Spent 16.71 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 23:53:48,068 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:53:56,614 WARN L191 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:54:05,244 WARN L191 SmtUtils]: Spent 8.63 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:54:44,272 WARN L191 SmtUtils]: Spent 38.99 s on a formula simplification. DAG size of input: 520 DAG size of output: 496 [2019-09-18 23:54:58,498 WARN L191 SmtUtils]: Spent 14.22 s on a formula simplification that was a NOOP. DAG size: 496 [2019-09-18 23:55:39,974 WARN L191 SmtUtils]: Spent 41.47 s on a formula simplification. DAG size of input: 510 DAG size of output: 510 [2019-09-18 23:55:40,791 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-18 23:55:41,222 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2019-09-18 23:55:41,564 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 23:55:42,233 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-09-18 23:55:44,533 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 474 DAG size of output: 44 [2019-09-18 23:55:44,853 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:55:45,209 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:55:45,494 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:55:46,109 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-18 23:55:46,284 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 23:55:46,699 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-18 23:55:46,937 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2019-09-18 23:55:57,396 WARN L191 SmtUtils]: Spent 10.20 s on a formula simplification. DAG size of input: 438 DAG size of output: 428 [2019-09-18 23:56:14,298 WARN L191 SmtUtils]: Spent 16.83 s on a formula simplification. DAG size of input: 469 DAG size of output: 465 [2019-09-18 23:56:21,610 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 23:56:38,327 WARN L191 SmtUtils]: Spent 16.68 s on a formula simplification. DAG size of input: 438 DAG size of output: 433 [2019-09-18 23:56:55,763 WARN L191 SmtUtils]: Spent 17.40 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 23:57:03,120 WARN L191 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 23:57:20,558 WARN L191 SmtUtils]: Spent 17.44 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 23:57:27,901 WARN L191 SmtUtils]: Spent 7.34 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 23:57:44,589 WARN L191 SmtUtils]: Spent 16.65 s on a formula simplification. DAG size of input: 440 DAG size of output: 435 [2019-09-18 23:58:08,911 WARN L191 SmtUtils]: Spent 24.29 s on a formula simplification. DAG size of input: 511 DAG size of output: 486 [2019-09-18 23:58:18,310 WARN L191 SmtUtils]: Spent 9.40 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 23:58:48,018 WARN L191 SmtUtils]: Spent 29.70 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-18 23:58:48,240 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-09-18 23:58:50,511 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 474 DAG size of output: 44 [2019-09-18 23:58:50,786 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 23:58:51,094 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:58:51,390 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:58:51,866 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-18 23:58:52,040 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 23:58:52,454 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-18 23:58:52,719 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2019-09-18 23:58:53,116 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:58:53,407 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 23:58:53,849 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-18 23:58:54,010 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 23:59:04,316 WARN L191 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 438 DAG size of output: 428 [2019-09-18 23:59:21,668 WARN L191 SmtUtils]: Spent 17.25 s on a formula simplification. DAG size of input: 469 DAG size of output: 465 [2019-09-18 23:59:29,025 WARN L191 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 23:59:45,686 WARN L191 SmtUtils]: Spent 16.62 s on a formula simplification. DAG size of input: 438 DAG size of output: 433 [2019-09-19 00:00:03,797 WARN L191 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-19 00:00:11,136 WARN L191 SmtUtils]: Spent 7.34 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-19 00:00:28,532 WARN L191 SmtUtils]: Spent 17.39 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-19 00:00:35,842 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-19 00:00:52,551 WARN L191 SmtUtils]: Spent 16.68 s on a formula simplification. DAG size of input: 440 DAG size of output: 435