./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:44:44,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:44:44,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:44:44,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:44:44,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:44:44,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:44:44,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:44:44,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:44:44,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:44:44,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:44:44,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:44:44,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:44:44,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:44:44,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:44:44,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:44:44,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:44:44,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:44:44,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:44:44,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:44:44,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:44:44,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:44:44,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:44:44,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:44:44,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:44:44,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:44:44,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:44:44,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:44:44,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:44:44,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:44:44,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:44:44,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:44:44,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:44:44,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:44:44,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:44:44,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:44:44,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:44:44,533 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 07:44:44,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:44:44,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:44:44,542 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 07:44:44,542 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 07:44:44,542 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 07:44:44,543 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 07:44:44,543 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:44:44,543 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 07:44:44,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 07:44:44,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:44:44,545 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 07:44:44,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:44:44,546 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 07:44:44,546 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 07:44:44,546 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 07:44:44,546 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_46525e43-d236-4fe3-96a4-255c9e878fca/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(F end) ) 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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-12-02 07:44:44,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:44:44,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:44:44,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:44:44,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:44:44,574 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:44:44,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-02 07:44:44,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/data/b22b046f1/1a40b3a3b7524ae3ba76c77343e7e63b/FLAG9ea81428e [2018-12-02 07:44:45,048 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:44:45,049 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-02 07:44:45,055 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/data/b22b046f1/1a40b3a3b7524ae3ba76c77343e7e63b/FLAG9ea81428e [2018-12-02 07:44:45,063 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/data/b22b046f1/1a40b3a3b7524ae3ba76c77343e7e63b [2018-12-02 07:44:45,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:44:45,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:44:45,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:44:45,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:44:45,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:44:45,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45, skipping insertion in model container [2018-12-02 07:44:45,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:44:45,094 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:44:45,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:44:45,250 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:44:45,337 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:44:45,354 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:44:45,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45 WrapperNode [2018-12-02 07:44:45,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:44:45,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:44:45,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:44:45,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:44:45,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:44:45,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:44:45,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:44:45,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:44:45,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... [2018-12-02 07:44:45,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:44:45,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:44:45,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:44:45,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:44:45,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 07:44:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:44:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 07:44:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:44:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:44:45,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:44:45,754 INFO L280 CfgBuilder]: Removed 164 assue(true) statements. [2018-12-02 07:44:45,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:45 BoogieIcfgContainer [2018-12-02 07:44:45,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:44:45,755 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 07:44:45,755 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 07:44:45,757 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 07:44:45,758 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 07:44:45,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 07:44:45" (1/3) ... [2018-12-02 07:44:45,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@399bec7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:44:45, skipping insertion in model container [2018-12-02 07:44:45,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 07:44:45,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:45" (2/3) ... [2018-12-02 07:44:45,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@399bec7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:44:45, skipping insertion in model container [2018-12-02 07:44:45,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 07:44:45,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:45" (3/3) ... [2018-12-02 07:44:45,760 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-02 07:44:45,791 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 07:44:45,791 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 07:44:45,791 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 07:44:45,791 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 07:44:45,791 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:44:45,791 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:44:45,792 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 07:44:45,792 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:44:45,792 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 07:44:45,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-02 07:44:45,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-02 07:44:45,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 07:44:45,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 07:44:45,822 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:45,822 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:45,822 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 07:44:45,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-02 07:44:45,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-02 07:44:45,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 07:44:45,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 07:44:45,826 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:45,826 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:45,829 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25); 8#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 55#L474true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 57#L482true main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 58#L438true assume 0 != main_~tmp~5; 87#L410true ~methAndRunningLastTime~0 := 0; 101#L583true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 104#L594-1true [2018-12-02 07:44:45,829 INFO L796 eck$LassoCheckResult]: Loop: 104#L594-1true assume !false; 82#L66true assume test_~splverifierCounter~0 < 4; 42#L67true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 51#L75true assume !(0 != test_~tmp~0); 50#L75-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 98#L85true assume !(0 != test_~tmp___0~0); 73#L85-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 20#L95true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 12#L103-1true assume !(0 != ~pumpRunning~0); 102#L140true assume !(0 != ~systemActive~0); 18#L147true havoc __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 79#L531-1true __utac_acc__Specification2_spec__2_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; 100#L594true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 104#L594-1true [2018-12-02 07:44:45,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:44:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-02 07:44:45,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:44:45,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:44:45,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:45,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:44:45,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:45,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:44:45,951 INFO L82 PathProgramCache]: Analyzing trace with hash 13527572, now seen corresponding path program 1 times [2018-12-02 07:44:45,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:44:45,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:44:45,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:45,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:44:45,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:45,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:44:45,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:44:45,997 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 07:44:46,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:44:46,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:44:46,008 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2018-12-02 07:44:46,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:44:46,042 INFO L93 Difference]: Finished difference Result 209 states and 301 transitions. [2018-12-02 07:44:46,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:44:46,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 301 transitions. [2018-12-02 07:44:46,047 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2018-12-02 07:44:46,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 195 states and 286 transitions. [2018-12-02 07:44:46,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2018-12-02 07:44:46,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2018-12-02 07:44:46,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 286 transitions. [2018-12-02 07:44:46,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 07:44:46,053 INFO L705 BuchiCegarLoop]: Abstraction has 195 states and 286 transitions. [2018-12-02 07:44:46,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 286 transitions. [2018-12-02 07:44:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2018-12-02 07:44:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-02 07:44:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 283 transitions. [2018-12-02 07:44:46,076 INFO L728 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2018-12-02 07:44:46,076 INFO L608 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2018-12-02 07:44:46,076 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 07:44:46,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 283 transitions. [2018-12-02 07:44:46,078 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2018-12-02 07:44:46,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 07:44:46,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 07:44:46,078 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:46,078 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:44:46,078 INFO L794 eck$LassoCheckResult]: Stem: 425#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25); 338#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 339#L474 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 406#L482 main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 408#L438 assume 0 != main_~tmp~5; 409#L410 ~methAndRunningLastTime~0 := 0; 430#L583 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 438#L594-1 [2018-12-02 07:44:46,079 INFO L796 eck$LassoCheckResult]: Loop: 438#L594-1 assume !false; 445#L66 assume test_~splverifierCounter~0 < 4; 446#L67 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 464#L75 assume !(0 != test_~tmp~0); 462#L75-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 461#L85 assume !(0 != test_~tmp___0~0); 459#L85-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 458#L95 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 359#L103-1 assume !(0 != ~pumpRunning~0); 439#L140 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 440#L198 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 363#L172-1 assume !(0 != ~pumpRunning~0); 354#L147 havoc __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 355#L531-1 __utac_acc__Specification2_spec__2_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; 426#L594 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 438#L594-1 [2018-12-02 07:44:46,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:44:46,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-02 07:44:46,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:44:46,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:44:46,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:44:46,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:46,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:44:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash -2034283738, now seen corresponding path program 1 times [2018-12-02 07:44:46,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:44:46,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:44:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,116 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 07:44:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:46,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:44:46,123 INFO L82 PathProgramCache]: Analyzing trace with hash -100258528, now seen corresponding path program 1 times [2018-12-02 07:44:46,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:44:46,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:44:46,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:44:46,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:44:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:44:51,621 WARN L180 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-02 07:44:54,235 WARN L180 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-02 07:44:54,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 07:44:54 BoogieIcfgContainer [2018-12-02 07:44:54,269 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 07:44:54,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:44:54,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:44:54,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:44:54,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:45" (3/4) ... [2018-12-02 07:44:54,272 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 07:44:54,300 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_46525e43-d236-4fe3-96a4-255c9e878fca/bin-2019/uautomizer/witness.graphml [2018-12-02 07:44:54,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:44:54,300 INFO L168 Benchmark]: Toolchain (without parser) took 9235.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 957.1 MB in the beginning and 969.3 MB in the end (delta: -12.3 MB). Peak memory consumption was 305.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,301 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:44:54,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:44:54,301 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,302 INFO L168 Benchmark]: RCFGBuilder took 341.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,302 INFO L168 Benchmark]: BuchiAutomizer took 8513.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 85.6 MB). Peak memory consumption was 357.6 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,302 INFO L168 Benchmark]: Witness Printer took 30.79 ms. Allocated memory is still 1.3 GB. Free memory was 978.9 MB in the beginning and 969.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:44:54,303 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8513.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 85.6 MB). Peak memory consumption was 357.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.79 ms. Allocated memory is still 1.3 GB. Free memory was 978.9 MB in the beginning and 969.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 149 SDslu, 140 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=26, NULL=0, NULL=0, retValue_acc=0, NULL=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@af5592a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cdffab1=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bee7bf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70b8c8c9=0, NULL=28, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10cc806=0, NULL=40, NULL=0, tmp___1=0, NULL=20, NULL=19, NULL=15, cleanupTimeShifts=4, tmp=0, NULL=16, NULL=24, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=36, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@762c1c51=0, NULL=12, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d55ffcf=0, NULL=11, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=14, \result=0, NULL=22, NULL=0, NULL=0, NULL=38, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5afcbc77=0, NULL=43, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61df8a6e=0, NULL=0, tmp___2=56, NULL=18, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=29, NULL=35, NULL=8, tmp=0, head=0, tmp=0, NULL=0, NULL=23, NULL=17, NULL=0, NULL=0, NULL=37, NULL=27, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L351] int cleanupTimeShifts = 4; [L488] int waterLevel = 1; [L489] int methaneLevelCritical = 0; [L577] int methAndRunningLastTime ; [L785] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L429] int retValue_acc ; [L430] int tmp ; [L478] int retValue_acc ; [L481] retValue_acc = 1 [L482] return (retValue_acc); [L436] tmp = valid_product() [L438] COND TRUE \read(tmp) [L582] methAndRunningLastTime = 0 [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L346] systemActive = 1 [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L195] int tmp ; [L198] COND FALSE !(\read(pumpRunning)) [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L587] int tmp ; [L588] int tmp___0 ; [L527] int retValue_acc ; [L530] retValue_acc = methaneLevelCritical [L531] return (retValue_acc); [L592] tmp = isMethaneLevelCritical() [L594] COND FALSE !(\read(tmp)) [L610] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...