java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:09:45,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:09:45,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:09:45,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:09:45,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:09:45,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:09:45,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:09:45,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:09:45,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:09:45,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:09:45,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:09:45,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:09:45,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:09:45,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:09:45,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:09:45,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:09:45,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:09:45,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:09:45,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:09:45,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:09:45,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:09:45,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:09:45,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:09:45,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:09:45,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:09:45,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:09:45,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:09:45,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:09:45,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:09:45,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:09:45,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:09:45,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:09:45,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:09:45,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:09:45,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:09:45,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:09:45,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:09:45,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:09:45,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:09:45,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:09:45,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:09:45,618 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 [2019-09-08 06:09:45,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:09:45,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:09:45,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:09:45,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:09:45,649 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:09:45,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:09:45,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:09:45,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:09:45,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:09:45,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:09:45,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:09:45,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:09:45,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:09:45,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:09:45,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:09:45,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:09:45,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:09:45,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:09:45,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:09:45,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:09:45,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:09:45,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:45,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:09:45,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:09:45,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:09:45,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:09:45,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:09:45,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:09:45,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:09:45,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:09:45,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:09:45,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:09:45,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:09:45,728 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:09:45,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2019-09-08 06:09:45,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4908d7d4e/8c3739677f064df59d73102d1a532ff2/FLAGf7d06a3de [2019-09-08 06:09:46,327 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:09:46,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2019-09-08 06:09:46,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4908d7d4e/8c3739677f064df59d73102d1a532ff2/FLAGf7d06a3de [2019-09-08 06:09:46,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4908d7d4e/8c3739677f064df59d73102d1a532ff2 [2019-09-08 06:09:46,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:09:46,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:09:46,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:46,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:09:46,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:09:46,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:46" (1/1) ... [2019-09-08 06:09:46,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b70f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46, skipping insertion in model container [2019-09-08 06:09:46,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:46" (1/1) ... [2019-09-08 06:09:46,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:09:46,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:09:47,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:47,241 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:09:47,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:47,395 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:09:47,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47 WrapperNode [2019-09-08 06:09:47,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:47,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:09:47,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:09:47,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:09:47,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... [2019-09-08 06:09:47,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:47,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:47,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:47,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:47,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:47,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:47,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:09:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:09:47,617 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:47,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:09:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:09:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:09:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:09:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:09:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:09:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:09:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:09:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:48,934 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:48,934 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:48,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:48 BoogieIcfgContainer [2019-09-08 06:09:48,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:48,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:48,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:48,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:48,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:46" (1/3) ... [2019-09-08 06:09:48,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a27c95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:48, skipping insertion in model container [2019-09-08 06:09:48,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:47" (2/3) ... [2019-09-08 06:09:48,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a27c95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:48, skipping insertion in model container [2019-09-08 06:09:48,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:48" (3/3) ... [2019-09-08 06:09:48,943 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2019-09-08 06:09:48,953 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:48,963 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:48,980 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:49,017 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:49,018 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:49,018 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:49,019 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:49,019 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:49,019 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:49,019 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:49,019 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:49,019 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2019-09-08 06:09:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:49,056 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:49,058 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:49,060 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1153750625, now seen corresponding path program 1 times [2019-09-08 06:09:49,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:49,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:49,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:49,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:49,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:49,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:49,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:49,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:49,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:49,458 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2019-09-08 06:09:49,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:49,511 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2019-09-08 06:09:49,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:49,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:49,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:49,544 INFO L225 Difference]: With dead ends: 332 [2019-09-08 06:09:49,545 INFO L226 Difference]: Without dead ends: 166 [2019-09-08 06:09:49,555 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-09-08 06:09:49,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-09-08 06:09:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-09-08 06:09:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2019-09-08 06:09:49,679 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2019-09-08 06:09:49,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:49,680 INFO L475 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2019-09-08 06:09:49,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2019-09-08 06:09:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:49,692 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:49,692 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:49,693 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:49,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2119837363, now seen corresponding path program 1 times [2019-09-08 06:09:49,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:49,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:49,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:49,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:49,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:49,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:49,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:49,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:49,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:49,870 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 3 states. [2019-09-08 06:09:49,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:49,904 INFO L93 Difference]: Finished difference Result 271 states and 323 transitions. [2019-09-08 06:09:49,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:49,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:49,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:49,908 INFO L225 Difference]: With dead ends: 271 [2019-09-08 06:09:49,908 INFO L226 Difference]: Without dead ends: 157 [2019-09-08 06:09:49,910 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-09-08 06:09:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-09-08 06:09:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-09-08 06:09:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2019-09-08 06:09:49,932 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2019-09-08 06:09:49,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:49,933 INFO L475 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2019-09-08 06:09:49,933 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2019-09-08 06:09:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:09:49,938 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:49,938 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:49,938 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1174645714, now seen corresponding path program 1 times [2019-09-08 06:09:49,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:49,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:49,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:49,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:50,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:50,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:50,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:50,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:50,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:50,079 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 7 states. [2019-09-08 06:09:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:50,673 INFO L93 Difference]: Finished difference Result 479 states and 585 transitions. [2019-09-08 06:09:50,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:50,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:09:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:50,684 INFO L225 Difference]: With dead ends: 479 [2019-09-08 06:09:50,684 INFO L226 Difference]: Without dead ends: 346 [2019-09-08 06:09:50,689 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:09:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-09-08 06:09:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 334. [2019-09-08 06:09:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-09-08 06:09:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2019-09-08 06:09:50,741 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2019-09-08 06:09:50,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:50,741 INFO L475 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2019-09-08 06:09:50,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2019-09-08 06:09:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 06:09:50,743 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:50,744 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:50,744 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:50,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1545438199, now seen corresponding path program 1 times [2019-09-08 06:09:50,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:50,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:50,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:50,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:50,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:50,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:50,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:50,854 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:50,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:50,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:50,854 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 6 states. [2019-09-08 06:09:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:51,107 INFO L93 Difference]: Finished difference Result 927 states and 1181 transitions. [2019-09-08 06:09:51,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:51,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-08 06:09:51,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:51,114 INFO L225 Difference]: With dead ends: 927 [2019-09-08 06:09:51,114 INFO L226 Difference]: Without dead ends: 617 [2019-09-08 06:09:51,118 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:09:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-09-08 06:09:51,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 611. [2019-09-08 06:09:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-09-08 06:09:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 754 transitions. [2019-09-08 06:09:51,208 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 754 transitions. Word has length 63 [2019-09-08 06:09:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:51,213 INFO L475 AbstractCegarLoop]: Abstraction has 611 states and 754 transitions. [2019-09-08 06:09:51,213 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 754 transitions. [2019-09-08 06:09:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:51,226 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:51,227 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:51,227 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1461698211, now seen corresponding path program 1 times [2019-09-08 06:09:51,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:51,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:51,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:51,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:51,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:51,988 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:52,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:52 BoogieIcfgContainer [2019-09-08 06:09:52,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:52,195 INFO L168 Benchmark]: Toolchain (without parser) took 5530.65 ms. Allocated memory was 133.2 MB in the beginning and 260.6 MB in the end (delta: 127.4 MB). Free memory was 87.9 MB in the beginning and 186.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 138.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:52,196 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 06:09:52,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.08 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 164.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:52,198 INFO L168 Benchmark]: Boogie Preprocessor took 121.89 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 159.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:52,200 INFO L168 Benchmark]: RCFGBuilder took 1417.03 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.5 MB in the beginning and 189.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:52,202 INFO L168 Benchmark]: TraceAbstraction took 3255.99 ms. Allocated memory was 225.4 MB in the beginning and 260.6 MB in the end (delta: 35.1 MB). Free memory was 189.2 MB in the beginning and 186.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 147.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:52,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 133.2 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.08 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 164.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.89 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 159.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1417.03 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.5 MB in the beginning and 189.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3255.99 ms. Allocated memory was 225.4 MB in the beginning and 260.6 MB in the end (delta: 35.1 MB). Free memory was 189.2 MB in the beginning and 186.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 147.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L367] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L369] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L375] tmp = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=6, waterLevel=1] [L379] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] COND TRUE waterLevel < 2 [L446] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L379] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=6, waterLevel=2] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=6, tmp___0=0, waterLevel=2] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=6, tmp___0=0, tmp___1=6, tmp___2=0, waterLevel=2] [L407] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L334] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L341] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L407] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=6, tmp___0=0, tmp___1=6, tmp___2=0, waterLevel=2] [L414] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L98] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L105] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L113] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1008] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] tmp = isMethaneLevelCritical() [L1010] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1014] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] tmp___0 = getWaterLevel() [L1016] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1018] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] tmp___1 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L1024] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L996] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 265 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 849 SDtfs, 464 SDslu, 1640 SDs, 0 SdLazy, 395 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...