./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09e3ebf9e88b37df43a29457dc1ad9a694c62daa ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:46:45,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:46:45,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:46:45,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:46:45,678 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:46:45,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:46:45,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:46:45,680 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:46:45,681 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:46:45,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:46:45,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:46:45,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:46:45,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:46:45,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:46:45,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:46:45,684 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:46:45,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:46:45,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:46:45,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:46:45,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:46:45,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:46:45,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:46:45,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:46:45,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:46:45,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:46:45,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:46:45,690 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:46:45,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:46:45,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:46:45,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:46:45,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:46:45,691 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:46:45,691 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:46:45,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:46:45,692 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:46:45,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:46:45,692 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 23:46:45,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:46:45,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:46:45,700 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:46:45,700 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:46:45,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:46:45,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:46:45,700 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 23:46:45,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:46:45,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:46:45,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:46:45,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 23:46:45,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:46:45,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:46:45,703 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2018-12-08 23:46:45,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:46:45,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:46:45,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:46:45,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:46:45,729 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:46:45,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-12-08 23:46:45,764 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/data/67973ad2d/0ddbdb080eef4361907e04733367873f/FLAG06fd6cf0e [2018-12-08 23:46:46,200 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:46:46,200 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/sv-benchmarks/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-12-08 23:46:46,205 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/data/67973ad2d/0ddbdb080eef4361907e04733367873f/FLAG06fd6cf0e [2018-12-08 23:46:46,213 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/data/67973ad2d/0ddbdb080eef4361907e04733367873f [2018-12-08 23:46:46,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:46:46,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:46:46,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:46,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:46:46,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:46:46,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46, skipping insertion in model container [2018-12-08 23:46:46,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:46:46,244 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:46:46,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:46,430 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:46:46,472 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:46,486 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:46:46,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46 WrapperNode [2018-12-08 23:46:46,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:46,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:46,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:46:46,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:46:46,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:46,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:46:46,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:46:46,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:46:46,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... [2018-12-08 23:46:46,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:46:46,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:46:46,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:46:46,527 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:46:46,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/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 [2018-12-08 23:46:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 23:46:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 23:46:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:46:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:46:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 23:46:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 23:46:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 23:46:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 23:46:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 23:46:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 23:46:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:46:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:46:46,852 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:46:46,853 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 23:46:46,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:46 BoogieIcfgContainer [2018-12-08 23:46:46,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:46:46,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:46:46,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:46:46,856 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:46:46,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:46:46" (1/3) ... [2018-12-08 23:46:46,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec04d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:46, skipping insertion in model container [2018-12-08 23:46:46,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:46" (2/3) ... [2018-12-08 23:46:46,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec04d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:46:46, skipping insertion in model container [2018-12-08 23:46:46,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:46" (3/3) ... [2018-12-08 23:46:46,859 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-12-08 23:46:46,866 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:46:46,872 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:46:46,884 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:46:46,904 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:46:46,904 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:46:46,905 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:46:46,905 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:46:46,905 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:46:46,905 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:46:46,905 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:46:46,905 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:46:46,905 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:46:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-12-08 23:46:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 23:46:46,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:46,922 INFO L402 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] [2018-12-08 23:46:46,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:46,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash 247492593, now seen corresponding path program 1 times [2018-12-08 23:46:46,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:46,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:46,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:46,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:46,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:46:47,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 23:46:47,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 23:46:47,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 23:46:47,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 23:46:47,081 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-12-08 23:46:47,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:46:47,101 INFO L93 Difference]: Finished difference Result 230 states and 287 transitions. [2018-12-08 23:46:47,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 23:46:47,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 23:46:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:46:47,109 INFO L225 Difference]: With dead ends: 230 [2018-12-08 23:46:47,109 INFO L226 Difference]: Without dead ends: 115 [2018-12-08 23:46:47,112 INFO L631 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 [2018-12-08 23:46:47,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-08 23:46:47,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-08 23:46:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-08 23:46:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-12-08 23:46:47,143 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2018-12-08 23:46:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:46:47,143 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-12-08 23:46:47,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 23:46:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-12-08 23:46:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 23:46:47,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:47,145 INFO L402 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] [2018-12-08 23:46:47,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:47,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1758583764, now seen corresponding path program 1 times [2018-12-08 23:46:47,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:47,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:47,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:47,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:46:47,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 23:46:47,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 23:46:47,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 23:46:47,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:46:47,209 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2018-12-08 23:46:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:46:47,223 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2018-12-08 23:46:47,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 23:46:47,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 23:46:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:46:47,225 INFO L225 Difference]: With dead ends: 169 [2018-12-08 23:46:47,225 INFO L226 Difference]: Without dead ends: 106 [2018-12-08 23:46:47,225 INFO L631 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 [2018-12-08 23:46:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-08 23:46:47,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-08 23:46:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-08 23:46:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-12-08 23:46:47,233 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2018-12-08 23:46:47,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:46:47,233 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-12-08 23:46:47,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 23:46:47,233 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-12-08 23:46:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 23:46:47,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:47,234 INFO L402 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] [2018-12-08 23:46:47,234 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:47,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1825888214, now seen corresponding path program 1 times [2018-12-08 23:46:47,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:47,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:46:47,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 23:46:47,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 23:46:47,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 23:46:47,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 23:46:47,312 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 7 states. [2018-12-08 23:46:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:46:47,507 INFO L93 Difference]: Finished difference Result 326 states and 396 transitions. [2018-12-08 23:46:47,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 23:46:47,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-08 23:46:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:46:47,509 INFO L225 Difference]: With dead ends: 326 [2018-12-08 23:46:47,509 INFO L226 Difference]: Without dead ends: 244 [2018-12-08 23:46:47,510 INFO L631 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 [2018-12-08 23:46:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-12-08 23:46:47,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 232. [2018-12-08 23:46:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-12-08 23:46:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2018-12-08 23:46:47,527 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2018-12-08 23:46:47,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:46:47,527 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2018-12-08 23:46:47,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 23:46:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2018-12-08 23:46:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 23:46:47,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:47,529 INFO L402 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] [2018-12-08 23:46:47,529 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:47,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:47,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1433409737, now seen corresponding path program 1 times [2018-12-08 23:46:47,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:47,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:47,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:47,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:46:47,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:46:47,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:46:47,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:46:47,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:46:47,584 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 6 states. [2018-12-08 23:46:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:46:47,693 INFO L93 Difference]: Finished difference Result 621 states and 789 transitions. [2018-12-08 23:46:47,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 23:46:47,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-08 23:46:47,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:46:47,696 INFO L225 Difference]: With dead ends: 621 [2018-12-08 23:46:47,696 INFO L226 Difference]: Without dead ends: 413 [2018-12-08 23:46:47,697 INFO L631 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 [2018-12-08 23:46:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-08 23:46:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-08 23:46:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-08 23:46:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 504 transitions. [2018-12-08 23:46:47,724 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 504 transitions. Word has length 63 [2018-12-08 23:46:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:46:47,724 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 504 transitions. [2018-12-08 23:46:47,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:46:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 504 transitions. [2018-12-08 23:46:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 23:46:47,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:47,726 INFO L402 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] [2018-12-08 23:46:47,726 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:47,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:47,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1134118173, now seen corresponding path program 1 times [2018-12-08 23:46:47,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:47,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:47,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:47,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:46:47,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:46:47,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:46:47,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:46:47,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:46:47,775 INFO L87 Difference]: Start difference. First operand 407 states and 504 transitions. Second operand 4 states. [2018-12-08 23:46:47,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:46:47,884 INFO L93 Difference]: Finished difference Result 708 states and 897 transitions. [2018-12-08 23:46:47,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 23:46:47,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-08 23:46:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:46:47,887 INFO L225 Difference]: With dead ends: 708 [2018-12-08 23:46:47,887 INFO L226 Difference]: Without dead ends: 325 [2018-12-08 23:46:47,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:46:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-08 23:46:47,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2018-12-08 23:46:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-08 23:46:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2018-12-08 23:46:47,908 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 67 [2018-12-08 23:46:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:46:47,908 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2018-12-08 23:46:47,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:46:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2018-12-08 23:46:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 23:46:47,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:46:47,910 INFO L402 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] [2018-12-08 23:46:47,910 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:46:47,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:47,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1222086595, now seen corresponding path program 1 times [2018-12-08 23:46:47,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 23:46:47,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 23:46:47,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:46:47,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:46:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:47,978 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:46:48,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:46:48 BoogieIcfgContainer [2018-12-08 23:46:48,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:46:48,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:46:48,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:46:48,034 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:46:48,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:46" (3/4) ... [2018-12-08 23:46:48,036 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 23:46:48,094 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c01c987-29ee-406b-8cb5-bb1fd26aa914/bin-2019/uautomizer/witness.graphml [2018-12-08 23:46:48,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:46:48,095 INFO L168 Benchmark]: Toolchain (without parser) took 1879.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 989.4 MB in the end (delta: -37.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,096 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:48,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:48,096 INFO L168 Benchmark]: Boogie Preprocessor took 20.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,097 INFO L168 Benchmark]: RCFGBuilder took 325.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,097 INFO L168 Benchmark]: TraceAbstraction took 1180.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,097 INFO L168 Benchmark]: Witness Printer took 59.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:48,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1180.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Witness Printer took 59.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L130] int retValue_acc ; [L131] 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] [L135] 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] [L136] 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] [L137] 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] [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] 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] [L137] 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] [L137] tmp = valid_product() [L139] 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] [L141] 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] [L142] 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] [L121] 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] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] 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] [L531] 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] [L533] 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] [L539] tmp = __VERIFIER_nondet_int() [L541] 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=1, waterLevel=1] [L543] 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] [L824] COND TRUE waterLevel < 2 [L825] 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] [L543] 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=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] 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=1, tmp___0=0, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L567] tmp___1 = __VERIFIER_nondet_int() [L569] 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=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L571] 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] [L750] 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] [L757] 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] [L571] 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=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L578] 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] [L604] 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] [L611] 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] [L619] 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] [L887] int tmp ; [L888] int tmp___0 ; [L889] 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] [L893] 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] [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] 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] [L893] 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] [L893] tmp = isMethaneLevelCritical() [L895] 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] [L899] 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] [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] 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] [L899] 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] [L899] tmp___0 = getWaterLevel() [L901] 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] [L903] 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] [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] 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] [L903] 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] [L903] tmp___1 = isPumpRunning() [L905] 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] [L909] 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] [L44] __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 25 procedures, 128 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 378 SDslu, 1133 SDs, 0 SdLazy, 284 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...