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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:36:11,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:36:11,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:36:11,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:36:11,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:36:11,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:36:11,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:36:11,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:36:11,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:36:11,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:36:11,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:36:11,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:36:11,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:36:11,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:36:11,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:36:11,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:36:11,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:36:11,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:36:11,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:36:11,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:36:11,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:36:11,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:36:11,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:36:11,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:36:11,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:36:11,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:36:11,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:36:11,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:36:11,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:36:11,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:36:11,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:36:11,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:36:11,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:36:11,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:36:11,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:36:11,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:36:11,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:36:11,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:36:11,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:36:11,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:36:11,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:36:11,694 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 [2019-09-21 08:36:11,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:36:11,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:36:11,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:36:11,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:36:11,714 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:36:11,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:36:11,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:36:11,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:36:11,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:36:11,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:36:11,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:36:11,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:36:11,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:36:11,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:36:11,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:36:11,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:36:11,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:36:11,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:36:11,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:36:11,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:36:11,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:36:11,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:36:11,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:36:11,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:36:11,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:36:11,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:36:11,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:36:11,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:36:11,718 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 [2019-09-21 08:36:11,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:36:11,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:36:11,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:36:11,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:36:11,770 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:36:11,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-21 08:36:11,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30530d9/be5cc1379ef64a7992fa336765aa3324/FLAG311969280 [2019-09-21 08:36:12,388 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:36:12,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-21 08:36:12,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30530d9/be5cc1379ef64a7992fa336765aa3324/FLAG311969280 [2019-09-21 08:36:12,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30530d9/be5cc1379ef64a7992fa336765aa3324 [2019-09-21 08:36:12,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:36:12,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:36:12,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:36:12,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:36:12,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:36:12,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:12" (1/1) ... [2019-09-21 08:36:12,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1824251d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:12, skipping insertion in model container [2019-09-21 08:36:12,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:36:12" (1/1) ... [2019-09-21 08:36:12,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:36:12,736 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:36:13,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:36:13,249 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:36:13,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:36:13,403 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:36:13,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13 WrapperNode [2019-09-21 08:36:13,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:36:13,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:36:13,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:36:13,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:36:13,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (1/1) ... [2019-09-21 08:36:13,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:36:13,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:36:13,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:36:13,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:36:13,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:36:13" (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 [2019-09-21 08:36:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:36:13,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:36:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:36:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:36:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:36:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:36:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:36:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:36:13,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:36:13,588 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:36:13,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:36:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:36:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:36:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:36:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:36:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:36:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:36:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:36:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:36:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:36:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:36:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:36:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:36:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:36:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:36:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:36:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:36:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:36:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:36:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:36:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:36:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:36:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:36:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:36:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:36:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:36:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:36:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:36:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:36:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:36:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:36:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:36:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:36:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:36:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:36:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:36:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:36:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:36:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:36:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:36:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:36:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:36:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:36:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:36:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:36:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:36:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:36:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:36:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:36:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:36:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:36:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:36:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:36:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:36:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:36:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:36:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:36:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:36:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:36:15,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:36:15,203 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:36:15,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:15 BoogieIcfgContainer [2019-09-21 08:36:15,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:36:15,206 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:36:15,206 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:36:15,206 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:36:15,208 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:36:15" (1/1) ... [2019-09-21 08:36:15,208 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 [2019-09-21 08:36:15,237 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:36:15,237 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:36:15,251 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:36:15,264 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:36:15,266 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:36:23,478 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:36:25,154 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:36:25,302 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:25,457 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:25,584 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:36:25,615 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:36:25,681 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:36:25,687 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:36:26,316 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:26,665 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:26,959 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:27,249 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:27,594 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:27,806 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,037 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,225 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,415 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,604 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,773 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:28,947 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:29,110 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:29,310 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:29,513 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:29,683 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:29,849 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:30,010 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:36:30,460 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:30,782 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:31,243 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:31,536 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:31,835 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:32,114 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:32,742 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:33,272 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:34,048 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:36:34,506 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 521 [2019-09-21 08:36:34,659 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-21 08:36:35,036 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:36:35,310 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:36:35,531 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:36:35,839 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:36:36,059 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:36:36,229 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:36:36,570 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2019-09-21 08:36:36,864 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-21 08:36:37,338 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-21 08:36:37,806 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:38,078 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:38,816 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:39,218 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:39,492 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:39,782 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:40,344 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:40,863 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:41,628 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:36:41,940 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-09-21 08:36:42,091 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:36:42,336 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:36:42,514 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:36:42,736 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:42,912 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:43,087 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:43,267 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:43,582 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 549 [2019-09-21 08:36:43,873 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-21 08:36:44,320 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-21 08:36:44,539 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:36:44,706 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:36:44,870 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:36:45,035 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:36:45,368 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 565 [2019-09-21 08:36:45,680 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 564 [2019-09-21 08:36:46,060 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:46,336 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:46,657 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:46,935 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:47,215 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:47,494 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:36:48,050 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:48,586 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:49,372 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:36:49,532 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-09-21 08:36:49,831 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:36:50,004 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:36:50,219 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:50,398 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:50,577 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:50,756 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-21 08:36:51,070 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 550 [2019-09-21 08:36:51,368 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 549 [2019-09-21 08:36:51,808 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-21 08:36:52,041 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:36:52,216 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:36:52,670 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-09-21 08:36:53,244 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:36:53,521 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 515