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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:45:22,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:45:22,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:45:22,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:45:22,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:45:22,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:45:22,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:45:22,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:45:22,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:45:22,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:45:22,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:45:22,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:45:22,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:45:22,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:45:22,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:45:22,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:45:22,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:45:22,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:45:22,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:45:22,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:45:22,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:45:22,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:45:22,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:45:22,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:45:22,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:45:22,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:45:22,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:45:22,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:45:22,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:45:22,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:45:22,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:45:22,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:45:22,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:45:22,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:45:22,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:45:22,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:45:22,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:45:22,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:45:22,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:45:22,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:45:22,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:45:22,588 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 [2019-09-25 15:45:22,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:45:22,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:45:22,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:45:22,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:45:22,606 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:45:22,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:45:22,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:45:22,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:45:22,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:45:22,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:45:22,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:45:22,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:45:22,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:45:22,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:45:22,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:45:22,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:45:22,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:45:22,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:45:22,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:45:22,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:45:22,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:45:22,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:45:22,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:45:22,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:45:22,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:45:22,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:45:22,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:45:22,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:45:22,613 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:45:22,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:45:22,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:45:22,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:45:22,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:45:22,676 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:45:22,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 15:45:22,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a7b5698/b4517a7134c140c59f7ac4ae73753026/FLAG685e9b81f [2019-09-25 15:45:23,280 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:45:23,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 15:45:23,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a7b5698/b4517a7134c140c59f7ac4ae73753026/FLAG685e9b81f [2019-09-25 15:45:23,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a7b5698/b4517a7134c140c59f7ac4ae73753026 [2019-09-25 15:45:23,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:45:23,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:45:23,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:23,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:45:23,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:45:23,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:23" (1/1) ... [2019-09-25 15:45:23,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c6722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:23, skipping insertion in model container [2019-09-25 15:45:23,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:23" (1/1) ... [2019-09-25 15:45:23,617 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:45:23,672 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:45:24,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:24,171 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:45:24,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:24,287 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:45:24,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24 WrapperNode [2019-09-25 15:45:24,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:24,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:45:24,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:45:24,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:45:24,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (1/1) ... [2019-09-25 15:45:24,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:45:24,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:45:24,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:45:24,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:45:24,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:24" (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 [2019-09-25 15:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:45:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:45:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:45:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:45:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:45:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:45:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:45:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:45:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:45:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:45:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:45:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:45:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:45:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:45:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:45:26,072 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:45:26,073 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:45:26,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:26 BoogieIcfgContainer [2019-09-25 15:45:26,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:45:26,074 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:45:26,074 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:45:26,075 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:45:26,076 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:26" (1/1) ... [2019-09-25 15:45:26,076 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:45:26,100 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:45:26,100 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:45:26,110 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:45:26,120 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:45:26,121 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:45:35,255 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:45:36,973 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:45:37,131 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:37,250 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:37,381 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:45:37,397 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-25 15:45:37,445 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-25 15:45:37,451 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-25 15:45:37,873 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 15:45:38,226 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 15:45:38,338 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 15:45:38,684 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 15:45:39,154 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 15:45:39,751 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2019-09-25 15:45:40,079 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 15:45:40,410 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 15:45:40,688 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 15:45:40,945 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 15:45:41,229 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 15:45:41,716 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:45:42,490 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:45:42,904 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-25 15:45:43,246 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:45:43,248 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 15:45:43,288 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 66 for LOIs [2019-09-25 15:45:43,293 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 79 for LOIs [2019-09-25 15:45:43,301 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:45:43,301 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:45:43,303 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 697#(and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 15:45:43,316 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:45:43,317 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:45:43,319 INFO L168 Benchmark]: Toolchain (without parser) took 19721.06 ms. Allocated memory was 133.2 MB in the beginning and 590.3 MB in the end (delta: 457.2 MB). Free memory was 87.7 MB in the beginning and 96.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 448.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,320 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.46 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.5 MB in the beginning and 165.2 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,322 INFO L168 Benchmark]: Boogie Preprocessor took 88.80 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,323 INFO L168 Benchmark]: RCFGBuilder took 1695.88 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.5 MB in the beginning and 147.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,324 INFO L168 Benchmark]: Sifa took 17242.37 ms. Allocated memory was 224.4 MB in the beginning and 590.3 MB in the end (delta: 366.0 MB). Free memory was 147.2 MB in the beginning and 96.4 MB in the end (delta: 50.8 MB). Peak memory consumption was 416.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:45:43,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.46 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.5 MB in the beginning and 165.2 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.80 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1695.88 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.5 MB in the beginning and 147.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 17242.37 ms. Allocated memory was 224.4 MB in the beginning and 590.3 MB in the end (delta: 366.0 MB). Free memory was 147.2 MB in the beginning and 96.4 MB in the end (delta: 50.8 MB). Peak memory consumption was 416.7 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]: 17203, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 245, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 170, TOOLS_POST_TIME[ms]: 11066, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 193, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 75, TOOLS_QUANTIFIERELIM_APPLICATIONS: 284, TOOLS_QUANTIFIERELIM_TIME[ms]: 11220, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10945, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 255, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 5265, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 307, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 133, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2274, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2274, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11331, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11330, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 598, DAG_COMPRESSION_RETAINED_NODES: 212 - UnprovableResult [Line: 177]: 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 697#(and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string15.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...