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_spec3_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:27,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:27,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:27,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:27,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:27,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:27,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:27,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:27,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:27,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:27,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:27,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:27,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:27,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:27,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:27,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:27,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:27,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:27,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:27,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:27,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:27,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:27,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:27,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:27,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:27,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:27,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:27,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:27,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:27,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:27,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:27,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:27,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:27,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:27,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:27,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:27,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:27,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:27,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:27,704 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 [2019-09-20 15:51:27,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:27,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:27,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:27,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:27,720 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:27,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:27,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:27,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:27,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:27,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:27,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:27,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:27,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:27,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:27,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:27,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:27,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:27,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:27,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:27,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:27,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:27,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:27,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:27,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:27,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:27,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:27,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:27,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:27,726 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 [2019-09-20 15:51:27,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:27,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:27,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:27,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:27,811 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:27,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2019-09-20 15:51:27,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0932c6f/910b634a5bd941548750755cca42fa29/FLAGd621c7856 [2019-09-20 15:51:28,421 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:28,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2019-09-20 15:51:28,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0932c6f/910b634a5bd941548750755cca42fa29/FLAGd621c7856 [2019-09-20 15:51:28,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d0932c6f/910b634a5bd941548750755cca42fa29 [2019-09-20 15:51:28,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:28,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:28,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:28,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:28,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:28,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:28" (1/1) ... [2019-09-20 15:51:28,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4186516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:28, skipping insertion in model container [2019-09-20 15:51:28,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:28" (1/1) ... [2019-09-20 15:51:28,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:28,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:29,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:29,282 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:29,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:29,409 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:29,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29 WrapperNode [2019-09-20 15:51:29,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:29,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:29,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:29,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:29,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (1/1) ... [2019-09-20 15:51:29,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:29,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:29,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:29,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:29,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:29" (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 [2019-09-20 15:51:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:51:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:51:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:51:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:51:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:51:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:51:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:51:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:31,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:31,220 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:31,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:31 BoogieIcfgContainer [2019-09-20 15:51:31,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:31,222 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:31,223 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:31,223 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:31,224 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:31" (1/1) ... [2019-09-20 15:51:31,225 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 [2019-09-20 15:51:31,264 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:31,264 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:31,278 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:31,290 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:31,293 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:51:41,152 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:51:42,936 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:51:43,102 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:43,227 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:43,337 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:43,364 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:51:43,423 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:51:43,428 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:51:43,597 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:51:43,724 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:51:44,189 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:51:44,541 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:44,876 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:51:45,133 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:45,496 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:51:45,780 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:51:46,639 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:51:46,768 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:51:46,895 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:51:47,033 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:51:47,348 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:51:47,670 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:51:47,933 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2019-09-20 15:51:48,134 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:51:48,361 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 502 [2019-09-20 15:51:48,781 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:51:49,318 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:51:49,498 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:51:49,731 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:51:49,917 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:51:49,934 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:51:49,940 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 494 for LOIs [2019-09-20 15:51:50,089 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:51:50,199 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:51:50,311 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-20 15:51:50,315 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 17 for LOIs [2019-09-20 15:51:50,317 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:51:50,317 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:51:50,319 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 460#(and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) [2019-09-20 15:51:50,341 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:51:50,341 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:51:50,343 INFO L168 Benchmark]: Toolchain (without parser) took 21682.08 ms. Allocated memory was 133.2 MB in the beginning and 665.8 MB in the end (delta: 532.7 MB). Free memory was 87.6 MB in the beginning and 208.2 MB in the end (delta: -120.7 MB). Peak memory consumption was 412.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,344 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.88 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 163.6 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,346 INFO L168 Benchmark]: Boogie Preprocessor took 83.51 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 159.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,346 INFO L168 Benchmark]: RCFGBuilder took 1727.64 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.3 MB in the beginning and 136.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,347 INFO L168 Benchmark]: Sifa took 19118.49 ms. Allocated memory was 224.9 MB in the beginning and 665.8 MB in the end (delta: 440.9 MB). Free memory was 136.9 MB in the beginning and 208.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 369.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:50,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.88 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 163.6 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.51 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 159.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1727.64 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.3 MB in the beginning and 136.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Sifa took 19118.49 ms. Allocated memory was 224.9 MB in the beginning and 665.8 MB in the end (delta: 440.9 MB). Free memory was 136.9 MB in the beginning and 208.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 369.6 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]: 19055, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 232, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 155, TOOLS_POST_TIME[ms]: 11869, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 203, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_APPLICATIONS: 285, TOOLS_QUANTIFIERELIM_TIME[ms]: 12078, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11733, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 234, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 6430, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME[ms]: 211, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3368, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3368, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12222, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12221, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 482, DAG_COMPRESSION_RETAINED_NODES: 226 - UnprovableResult [Line: 467]: 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 460#(and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...