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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:07:45,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:07:45,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:07:45,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:07:45,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:07:45,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:07:45,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:07:45,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:07:45,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:07:45,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:07:45,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:07:45,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:07:45,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:07:45,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:07:45,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:07:45,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:07:45,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:07:45,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:07:45,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:07:45,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:07:45,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:07:45,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:07:45,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:07:45,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:07:45,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:07:45,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:07:45,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:07:45,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:07:45,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:07:45,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:07:45,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:07:45,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:07:45,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:07:45,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:07:45,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:07:45,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:07:45,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:07:45,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:07:45,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:07:45,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:07:45,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:07:45,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 06:07:45,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:07:45,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:07:45,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:07:45,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:07:45,600 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:07:45,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:07:45,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:07:45,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:07:45,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:07:45,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:07:45,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:07:45,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:07:45,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:07:45,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:07:45,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:07:45,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:07:45,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:07:45,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:07:45,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:07:45,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:07:45,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:07:45,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:07:45,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:07:45,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:07:45,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:07:45,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:07:45,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:07:45,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:07:45,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:07:45,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:07:45,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:07:45,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:07:45,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:07:45,675 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:07:45,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-17 06:07:45,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f1e65c5/013317bda3a3499e95ba8c3a43e4217b/FLAG2c9ac4d0c [2019-09-17 06:07:46,268 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:07:46,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-17 06:07:46,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f1e65c5/013317bda3a3499e95ba8c3a43e4217b/FLAG2c9ac4d0c [2019-09-17 06:07:46,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f1e65c5/013317bda3a3499e95ba8c3a43e4217b [2019-09-17 06:07:46,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:07:46,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:07:46,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:46,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:07:46,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:07:46,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:46" (1/1) ... [2019-09-17 06:07:46,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff61ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:46, skipping insertion in model container [2019-09-17 06:07:46,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:46" (1/1) ... [2019-09-17 06:07:46,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:07:46,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:07:47,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:47,160 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:07:47,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:47,335 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:07:47,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47 WrapperNode [2019-09-17 06:07:47,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:47,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:07:47,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:07:47,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:07:47,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... [2019-09-17 06:07:47,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:07:47,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:07:47,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:07:47,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:07:47,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:07:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:07:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:07:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:07:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:07:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:07:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:07:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:07:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:07:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:07:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:07:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:07:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:07:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:07:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:07:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 06:07:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:07:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:07:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:07:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:07:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:07:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:07:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:07:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:07:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:07:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:07:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:07:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:07:48,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:07:48,973 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:07:48,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:48 BoogieIcfgContainer [2019-09-17 06:07:48,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:07:48,976 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:07:48,976 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:07:48,976 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:07:48,978 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:48" (1/1) ... [2019-09-17 06:07:48,978 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:07:49,023 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:07:49,023 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:07:49,036 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:07:49,051 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:07:49,053 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:07:59,508 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:08:01,169 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:08:01,331 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:01,488 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:01,598 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:01,623 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:08:01,683 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:08:01,690 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:08:01,879 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:02,012 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:02,471 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:02,747 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:03,024 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:03,321 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:03,593 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:03,767 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:03,977 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:04,154 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:04,589 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:04,894 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:05,690 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:06,273 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:06,626 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:06,903 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:07,887 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-17 06:08:08,489 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:08:08,624 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:08:08,744 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:08:09,271 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:09,632 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:10,275 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:10,821 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:11,468 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:12,075 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:12,907 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-17 06:08:13,010 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-17 06:08:13,059 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:08:13,070 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-17 06:08:13,072 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-17 06:08:13,074 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:13,074 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:13,076 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:13,088 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:13,089 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:13,091 INFO L168 Benchmark]: Toolchain (without parser) took 26498.80 ms. Allocated memory was 131.1 MB in the beginning and 895.0 MB in the end (delta: 763.9 MB). Free memory was 85.8 MB in the beginning and 767.7 MB in the end (delta: -681.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,092 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.22 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 163.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,093 INFO L168 Benchmark]: Boogie Preprocessor took 80.96 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,094 INFO L168 Benchmark]: RCFGBuilder took 1557.57 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.1 MB in the beginning and 146.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,095 INFO L168 Benchmark]: Sifa took 24113.08 ms. Allocated memory was 219.2 MB in the beginning and 895.0 MB in the end (delta: 675.8 MB). Free memory was 146.2 MB in the beginning and 767.7 MB in the end (delta: -621.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:13,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.22 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 163.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.96 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1557.57 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.1 MB in the beginning and 146.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Sifa took 24113.08 ms. Allocated memory was 219.2 MB in the beginning and 895.0 MB in the end (delta: 675.8 MB). Free memory was 146.2 MB in the beginning and 767.7 MB in the end (delta: -621.5 MB). Peak memory consumption was 54.3 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]: 24054, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 255, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 169, TOOLS_POST_TIME[ms]: 12297, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 255, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 134, TOOLS_QUANTIFIERELIM_APPLICATIONS: 306, TOOLS_QUANTIFIERELIM_TIME[ms]: 12551, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12179, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 10977, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 195, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 594, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 593, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12612, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12611, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 429, DAG_COMPRESSION_RETAINED_NODES: 235 - UnprovableResult [Line: 643]: 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 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...