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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:06:18,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:06:18,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:06:18,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:06:18,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:06:18,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:06:18,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:06:18,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:06:18,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:06:18,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:06:18,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:06:18,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:06:18,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:06:18,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:06:18,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:06:18,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:06:18,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:06:18,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:06:18,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:06:18,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:06:18,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:06:18,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:06:18,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:06:18,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:06:18,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:06:18,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:06:18,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:06:18,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:06:18,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:06:18,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:06:18,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:06:18,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:06:18,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:06:18,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:06:18,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:06:18,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:06:18,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:06:18,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:06:18,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:06:18,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:06:18,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:06:18,594 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 06:06:18,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:06:18,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:06:18,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:06:18,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:06:18,618 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:06:18,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:06:18,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:06:18,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:06:18,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:06:18,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:06:18,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:06:18,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:06:18,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:06:18,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:06:18,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:06:18,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:06:18,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:06:18,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:06:18,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:06:18,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:06:18,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:06:18,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:06:18,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:06:18,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:06:18,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:06:18,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:06:18,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:06:18,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:06:18,626 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 06:06:18,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:06:18,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:06:18,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:06:18,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:06:18,682 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:06:18,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-09-17 06:06:18,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d328dee37/71e1c7c0dd1041aba224b15bb64a56b4/FLAGca907a2f6 [2019-09-17 06:06:19,295 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:06:19,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-09-17 06:06:19,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d328dee37/71e1c7c0dd1041aba224b15bb64a56b4/FLAGca907a2f6 [2019-09-17 06:06:19,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d328dee37/71e1c7c0dd1041aba224b15bb64a56b4 [2019-09-17 06:06:19,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:06:19,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:06:19,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:06:19,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:06:19,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:06:19,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:06:19" (1/1) ... [2019-09-17 06:06:19,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:19, skipping insertion in model container [2019-09-17 06:06:19,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:06:19" (1/1) ... [2019-09-17 06:06:19,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:06:19,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:06:20,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:06:20,151 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:06:20,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:06:20,283 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:06:20,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20 WrapperNode [2019-09-17 06:06:20,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:06:20,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:06:20,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:06:20,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:06:20,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (1/1) ... [2019-09-17 06:06:20,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:06:20,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:06:20,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:06:20,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:06:20,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:06:20" (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 06:06:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:06:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:06:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:06:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:06:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:06:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:06:20,438 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:06:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:06:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:06:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:06:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-17 06:06:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:06:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:06:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:06:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:06:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:06:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:06:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:06:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:06:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:06:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:06:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:06:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:06:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:06:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:06:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:06:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:06:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-17 06:06:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:06:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:06:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:06:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:06:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:06:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:06:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:06:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:06:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:06:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:06:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:06:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:06:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:06:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:06:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:06:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:06:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:06:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:06:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:06:22,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:06:22,018 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:06:22,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:06:22 BoogieIcfgContainer [2019-09-17 06:06:22,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:06:22,020 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:06:22,020 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:06:22,021 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:06:22,022 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:06:22" (1/1) ... [2019-09-17 06:06:22,023 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 06:06:22,048 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:06:22,049 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:06:22,057 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:06:22,068 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:06:22,069 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:06:31,753 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:06:33,458 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:06:33,591 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:06:33,760 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:06:33,885 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:06:33,901 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-17 06:06:33,973 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-17 06:06:33,979 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-17 06:06:34,155 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 06:06:34,287 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 06:06:34,666 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-17 06:06:34,993 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-17 06:06:35,629 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-17 06:06:36,041 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-17 06:06:36,608 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 507 [2019-09-17 06:06:36,882 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-17 06:06:37,212 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:06:37,468 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:06:37,854 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-17 06:06:38,170 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-17 06:06:38,902 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:06:39,425 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:06:39,802 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 508 [2019-09-17 06:06:39,969 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-17 06:06:40,311 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 519 [2019-09-17 06:06:40,660 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:06:40,699 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:06:40,709 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-17 06:06:40,713 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 17 for LOIs [2019-09-17 06:06:40,714 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:06:40,714 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:06:40,716 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 413#(and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-17 06:06:40,731 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:06:40,731 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:06:40,733 INFO L168 Benchmark]: Toolchain (without parser) took 21141.33 ms. Allocated memory was 135.8 MB in the beginning and 675.3 MB in the end (delta: 539.5 MB). Free memory was 85.6 MB in the beginning and 518.9 MB in the end (delta: -433.3 MB). Peak memory consumption was 106.2 MB. Max. memory is 7.1 GB. [2019-09-17 06:06:40,734 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 105.3 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 06:06:40,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.27 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 85.2 MB in the beginning and 165.1 MB in the end (delta: -79.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:06:40,736 INFO L168 Benchmark]: Boogie Preprocessor took 87.36 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:06:40,737 INFO L168 Benchmark]: RCFGBuilder took 1647.64 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 146.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:06:40,738 INFO L168 Benchmark]: Sifa took 18711.18 ms. Allocated memory was 222.3 MB in the beginning and 675.3 MB in the end (delta: 453.0 MB). Free memory was 146.0 MB in the beginning and 518.9 MB in the end (delta: -372.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:06:40,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 105.3 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 691.27 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 85.2 MB in the beginning and 165.1 MB in the end (delta: -79.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.36 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1647.64 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.7 MB in the beginning and 146.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 18711.18 ms. Allocated memory was 222.3 MB in the beginning and 675.3 MB in the end (delta: 453.0 MB). Free memory was 146.0 MB in the beginning and 518.9 MB in the end (delta: -372.8 MB). Peak memory consumption was 80.1 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]: 18668, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 211, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 11591, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 222, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_APPLICATIONS: 253, TOOLS_QUANTIFIERELIM_TIME[ms]: 11843, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11458, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 5520, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 912, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 93, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6074, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6073, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11946, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11945, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 364, DAG_COMPRESSION_RETAINED_NODES: 199 - UnprovableResult [Line: 922]: 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 413#(and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...