./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/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 f80d3a5338c2579934de7f265b1ca347607a109f .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 13:31:55,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:31:55,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:31:55,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:31:55,476 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:31:55,476 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:31:55,477 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:31:55,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:31:55,479 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:31:55,480 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:31:55,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:31:55,481 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:31:55,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:31:55,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:31:55,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:31:55,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:31:55,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:31:55,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:31:55,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:31:55,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:31:55,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:31:55,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:31:55,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:31:55,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:31:55,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:31:55,494 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:31:55,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:31:55,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:31:55,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:31:55,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:31:55,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:31:55,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:31:55,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:31:55,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:31:55,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:31:55,499 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:31:55,499 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:31:55,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:31:55,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:31:55,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:31:55,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:31:55,511 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:31:55,511 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:31:55,512 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:31:55,512 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:31:55,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:31:55,513 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:31:55,514 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:31:55,515 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:31:55,515 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:31:55,515 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:31:55,516 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:31:55,516 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_de45f0a5-6c93-40b5-83df-f438c63cd63f/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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2018-11-18 13:31:55,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:31:55,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:31:55,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:31:55,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:31:55,548 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:31:55,549 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:55,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/data/07f47b50d/547f65e97446407cb1903d0ae48d2892/FLAGd02d4a54b [2018-11-18 13:31:56,026 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:31:56,026 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:56,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/data/07f47b50d/547f65e97446407cb1903d0ae48d2892/FLAGd02d4a54b [2018-11-18 13:31:56,043 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/data/07f47b50d/547f65e97446407cb1903d0ae48d2892 [2018-11-18 13:31:56,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:31:56,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:31:56,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:56,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:31:56,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:31:56,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56, skipping insertion in model container [2018-11-18 13:31:56,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:31:56,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:31:56,282 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:56,291 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:31:56,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:56,407 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:31:56,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56 WrapperNode [2018-11-18 13:31:56,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:56,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:56,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:31:56,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:31:56,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:56,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:31:56,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:31:56,441 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:31:56,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... [2018-11-18 13:31:56,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:31:56,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:31:56,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:31:56,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:31:56,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/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 [2018-11-18 13:31:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:31:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:31:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:31:56,965 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:31:56,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:56 BoogieIcfgContainer [2018-11-18 13:31:56,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:31:56,966 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:31:56,966 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:31:56,969 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:31:56,970 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:56,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:31:56" (1/3) ... [2018-11-18 13:31:56,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@979a75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:31:56, skipping insertion in model container [2018-11-18 13:31:56,971 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:56,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:56" (2/3) ... [2018-11-18 13:31:56,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@979a75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:31:56, skipping insertion in model container [2018-11-18 13:31:56,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:56,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:56" (3/3) ... [2018-11-18 13:31:56,973 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:57,014 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:31:57,015 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:31:57,015 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:31:57,015 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:31:57,015 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:31:57,015 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:31:57,016 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:31:57,016 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:31:57,016 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:31:57,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 13:31:57,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:31:57,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:57,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:57,060 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,060 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,060 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:31:57,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 13:31:57,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:31:57,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:57,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:57,065 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,065 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,070 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 87#L627true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L620true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 107#L635true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 78#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 8#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 54#L647true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L692-3true [2018-11-18 13:31:57,070 INFO L796 eck$LassoCheckResult]: Loop: 11#L692-3true assume true; 10#L692-1true assume !false; 99#L693true assume test_~splverifierCounter~0 < 4; 46#L694true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 52#L702true assume !(0 != test_~tmp~5); 56#L702-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 102#L712true assume !(0 != test_~tmp___0~1); 106#L712-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 20#L722true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet52;havoc test_#t~nondet52; 36#L730true assume !(0 != test_~tmp___1~0); 26#L730-2true assume { :begin_inline_timeShift } true; 41#L760true assume !(0 != ~pumpRunning~0); 47#L760-2true assume !(0 != ~systemActive~0); 101#L767-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 38#L559-1true __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; 53#L658true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 57#L658-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 18#L777true assume { :end_inline_timeShift } true; 11#L692-3true [2018-11-18 13:31:57,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,074 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:31:57,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:57,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1180130695, now seen corresponding path program 1 times [2018-11-18 13:31:57,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:57,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,232 INFO L82 PathProgramCache]: Analyzing trace with hash -159221712, now seen corresponding path program 1 times [2018-11-18 13:31:57,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:57,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:57,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:57,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:31:57,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:31:57,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:31:57,451 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 6 states. [2018-11-18 13:31:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:57,677 INFO L93 Difference]: Finished difference Result 363 states and 464 transitions. [2018-11-18 13:31:57,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:31:57,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 464 transitions. [2018-11-18 13:31:57,686 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 236 [2018-11-18 13:31:57,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 323 states and 424 transitions. [2018-11-18 13:31:57,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 323 [2018-11-18 13:31:57,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 323 [2018-11-18 13:31:57,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 424 transitions. [2018-11-18 13:31:57,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:31:57,696 INFO L705 BuchiCegarLoop]: Abstraction has 323 states and 424 transitions. [2018-11-18 13:31:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 424 transitions. [2018-11-18 13:31:57,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 151. [2018-11-18 13:31:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 13:31:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2018-11-18 13:31:57,725 INFO L728 BuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2018-11-18 13:31:57,725 INFO L608 BuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2018-11-18 13:31:57,725 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:31:57,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2018-11-18 13:31:57,727 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 109 [2018-11-18 13:31:57,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:57,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:57,728 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,728 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:57,728 INFO L794 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 517#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 518#L627 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 563#L620 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 579#L635 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 551#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 545#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 529#L647 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 530#L692-3 [2018-11-18 13:31:57,728 INFO L796 eck$LassoCheckResult]: Loop: 530#L692-3 assume true; 549#L692-1 assume !false; 550#L693 assume test_~splverifierCounter~0 < 4; 507#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 508#L702 assume !(0 != test_~tmp~5); 520#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 531#L712 assume !(0 != test_~tmp___0~1); 559#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 565#L722 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 561#L905 assume { :end_inline_startSystem } true; 562#L730-2 assume { :begin_inline_timeShift } true; 497#L760 assume !(0 != ~pumpRunning~0); 498#L760-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 509#L792 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 571#L784-1 assume { :end_inline_processEnvironment__wrappee__base } true; 489#L792-1 assume { :end_inline_processEnvironment } true; 578#L767-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 490#L559-1 __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; 491#L658 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 526#L658-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 532#L777 assume { :end_inline_timeShift } true; 530#L692-3 [2018-11-18 13:31:57,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,729 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:31:57,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:57,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1489254934, now seen corresponding path program 1 times [2018-11-18 13:31:57,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,770 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:31:57,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:57,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1890632031, now seen corresponding path program 1 times [2018-11-18 13:31:57,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:57,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:57,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:57,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:40,792 WARN L180 SmtUtils]: Spent 42.89 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:32:55,753 WARN L180 SmtUtils]: Spent 14.95 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:32:55,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:32:55 BoogieIcfgContainer [2018-11-18 13:32:55,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:32:55,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:32:55,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:32:55,831 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:32:55,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:56" (3/4) ... [2018-11-18 13:32:55,834 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:32:55,876 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de45f0a5-6c93-40b5-83df-f438c63cd63f/bin-2019/uautomizer/witness.graphml [2018-11-18 13:32:55,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:32:55,877 INFO L168 Benchmark]: Toolchain (without parser) took 59830.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 956.4 MB in the beginning and 840.7 MB in the end (delta: 115.7 MB). Peak memory consumption was 345.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,877 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:32:55,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,878 INFO L168 Benchmark]: Boogie Preprocessor took 24.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:32:55,878 INFO L168 Benchmark]: RCFGBuilder took 500.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,880 INFO L168 Benchmark]: BuchiAutomizer took 58864.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 845.3 MB in the end (delta: 241.2 MB). Peak memory consumption was 297.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,880 INFO L168 Benchmark]: Witness Printer took 45.05 ms. Allocated memory is still 1.3 GB. Free memory was 845.3 MB in the beginning and 840.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:55,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 500.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58864.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 845.3 MB in the end (delta: 241.2 MB). Peak memory consumption was 297.9 MB. Max. memory is 11.5 GB. * Witness Printer took 45.05 ms. Allocated memory is still 1.3 GB. Free memory was 845.3 MB in the beginning and 840.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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 6 locations. The remainder module has 151 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 58.4s. Construction of modules took 0.1s. 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, 172 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 151 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 128 SDtfs, 593 SDslu, 913 SDs, 0 SdLazy, 52 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 692]: 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=0, "On"=0, ",Pump:"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48a3e164=0, "CRIT"=0, ")"=0, "Off"=0, "OK"=0, "On"=37, "Pump(System:"=35, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25182942=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7954985a=159, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58422ec7=0, "Env(Water:%i"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ac4b4af=0, tmp=0, "CRIT"=14, ") "=0, "__utac__get_this_argtype"=16, "Off"=0, ") "=8, tmp___1=0, "libacc.c"=20, "libacc.c"=24, "libacc.c"=28, "i > 0 && i <= this->argsCount"=22, ",Meth:"=12, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=18, ")"=11, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1caf7597=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25694b9d=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, "On"=33, retValue_acc=0, "Off"=34, "On"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, "__utac__get_this_arg"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43dce12d=0, "i > 0 && i <= this->argsCount"=0, "Off"=39, "\n"=0, "__utac__get_this_argtype"=0, tmp___0=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=26, tmp___2=159, "__utac__get_this_argtype"=19, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "\n"=40, head=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=23, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=29, tmp=0, "libacc.c"=0, "libacc.c"=17, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=36, tmp=0, ",Pump:"=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 692]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L443] FCALL "i > 0 && i <= this->argsCount" [L443] FCALL "libacc.c" [L444] FCALL "__utac__get_this_arg" [L450] FCALL "i > 0 && i <= this->argsCount" [L450] FCALL "libacc.c" [L451] FCALL "__utac__get_this_arg" [L489] FCALL "i > 0 && i <= this->argsCount" [L489] FCALL "libacc.c" [L490] FCALL "__utac__get_this_argtype" [L496] FCALL "i > 0 && i <= this->argsCount" [L496] FCALL "libacc.c" [L497] FCALL "__utac__get_this_argtype" [L568] FCALL "Env(Water:%i" [L569] FCALL ",Meth:" [L573] FCALL "CRIT" [L577] FCALL "OK" [L581] FCALL ")" [L854] FCALL "Pump(System:" [L858] FCALL "On" [L862] FCALL "Off" [L866] FCALL ",Pump:" [L870] FCALL "On" [L874] FCALL "Off" [L878] FCALL ") " [L880] FCALL "\n" [L40] int cleanupTimeShifts = 4; [L516] int waterLevel = 1; [L517] int methaneLevelCritical = 0; [L641] int methAndRunningLastTime ; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L631] int retValue_acc ; [L634] retValue_acc = 1 [L635] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification2_spec__1() [L646] RET methAndRunningLastTime = 0 [L113] __utac_acc__Specification2_spec__1() [L114] CALL test() [L683] int splverifierCounter ; [L684] int tmp ; [L685] int tmp___0 ; [L686] int tmp___1 ; [L687] int tmp___2 ; [L690] splverifierCounter = 0 Loop: [L692] COND TRUE 1 [L694] COND TRUE splverifierCounter < 4 [L700] tmp = __VERIFIER_nondet_int() [L702] COND FALSE !(\read(tmp)) [L710] tmp___0 = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp___0)) [L720] tmp___2 = __VERIFIER_nondet_int() [L722] COND TRUE \read(tmp___2) [L724] CALL startSystem() [L904] RET systemActive = 1 [L724] startSystem() [L739] CALL timeShift() [L760] COND FALSE !(\read(pumpRunning)) [L767] COND TRUE \read(systemActive) [L769] CALL processEnvironment() [L789] int tmp ; [L792] COND FALSE !(\read(pumpRunning)) [L807] RET, FCALL processEnvironment__wrappee__base() [L769] processEnvironment() [L775] CALL __utac_acc__Specification2_spec__2() [L651] int tmp ; [L652] int tmp___0 ; [L656] CALL, EXPR isMethaneLevelCritical() [L555] int retValue_acc ; [L558] retValue_acc = methaneLevelCritical [L559] RET return (retValue_acc); [L656] EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L674] RET methAndRunningLastTime = 0 [L775] RET __utac_acc__Specification2_spec__2() [L739] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...