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_spec5_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:37:14,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:37:14,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:37:14,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:37:14,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:37:14,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:37:14,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:37:14,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:37:14,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:37:14,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:37:14,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:37:14,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:37:14,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:37:14,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:37:14,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:37:14,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:37:14,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:37:14,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:37:14,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:37:14,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:37:14,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:37:14,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:37:14,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:37:14,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:37:14,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:37:14,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:37:14,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:37:14,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:37:14,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:37:14,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:37:14,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:37:14,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:37:14,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:37:14,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:37:14,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:37:14,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:37:14,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:37:14,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:37:14,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:37:14,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:37:14,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:37:14,554 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 08:37:14,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:37:14,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:37:14,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:37:14,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:37:14,577 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:37:14,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:37:14,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:37:14,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:37:14,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:37:14,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:37:14,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:37:14,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:37:14,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:37:14,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:37:14,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:37:14,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:37:14,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:37:14,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:37:14,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:37:14,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:37:14,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:37:14,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:14,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:37:14,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:37:14,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:37:14,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:37:14,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:37:14,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:37:14,583 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 08:37:14,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:37:14,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:37:14,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:37:14,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:37:14,659 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:37:14,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-21 08:37:14,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9203f2eba/509d9702258b40ca8862c358a321e97f/FLAG8ccb83e1c [2019-09-21 08:37:15,255 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:37:15,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-21 08:37:15,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9203f2eba/509d9702258b40ca8862c358a321e97f/FLAG8ccb83e1c [2019-09-21 08:37:15,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9203f2eba/509d9702258b40ca8862c358a321e97f [2019-09-21 08:37:15,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:37:15,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:37:15,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:15,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:37:15,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:37:15,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:15" (1/1) ... [2019-09-21 08:37:15,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c1520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:15, skipping insertion in model container [2019-09-21 08:37:15,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:15" (1/1) ... [2019-09-21 08:37:15,592 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:37:15,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:37:16,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:16,041 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:37:16,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:16,234 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:37:16,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16 WrapperNode [2019-09-21 08:37:16,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:16,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:37:16,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:37:16,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:37:16,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (1/1) ... [2019-09-21 08:37:16,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:37:16,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:37:16,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:37:16,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:37:16,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:16" (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 08:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:37:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:37:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:37:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:37:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:37:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:37:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:37:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:37:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:37:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:37:18,338 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:37:18,338 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:37:18,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:18 BoogieIcfgContainer [2019-09-21 08:37:18,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:37:18,340 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:37:18,340 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:37:18,341 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:37:18,343 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:18" (1/1) ... [2019-09-21 08:37:18,343 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 08:37:18,380 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:37:18,381 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:37:18,390 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:37:18,399 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:37:18,402 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:37:27,896 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:37:29,733 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:37:29,868 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:30,020 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:30,147 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:30,176 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:37:30,238 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:37:30,254 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:37:30,812 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:37:31,170 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:37:31,468 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:37:31,710 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:37:32,081 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:37:32,381 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:37:32,630 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:37:33,022 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:33,679 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 08:37:33,682 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 91 for LOIs [2019-09-21 08:37:33,752 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:37:33,755 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:37:33,758 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:37:33,758 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:37:33,760 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 423#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:37:33,781 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:37:33,784 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:37:33,786 INFO L168 Benchmark]: Toolchain (without parser) took 18210.10 ms. Allocated memory was 138.4 MB in the beginning and 457.2 MB in the end (delta: 318.8 MB). Free memory was 83.7 MB in the beginning and 141.3 MB in the end (delta: -57.5 MB). Peak memory consumption was 261.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,789 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 83.5 MB in the beginning and 163.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,800 INFO L168 Benchmark]: Boogie Preprocessor took 124.11 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,801 INFO L168 Benchmark]: RCFGBuilder took 1979.15 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 143.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,804 INFO L168 Benchmark]: Sifa took 15444.11 ms. Allocated memory was 220.2 MB in the beginning and 457.2 MB in the end (delta: 237.0 MB). Free memory was 143.0 MB in the beginning and 141.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:33,810 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 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 83.5 MB in the beginning and 163.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.11 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1979.15 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 143.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * Sifa took 15444.11 ms. Allocated memory was 220.2 MB in the beginning and 457.2 MB in the end (delta: 237.0 MB). Free memory was 143.0 MB in the beginning and 141.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 15380, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 11470, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 141, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 11581, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11398, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 199, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 3191, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 209, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 135, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3108, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3107, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11842, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11841, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 201 - UnprovableResult [Line: 956]: 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 423#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...