./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_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_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:59:49,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:59:49,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:59:49,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:59:49,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:59:49,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:59:49,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:59:49,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:59:49,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:59:49,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:59:49,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:59:49,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:59:49,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:59:49,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:59:49,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:59:49,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:59:49,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:59:49,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:59:49,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:59:49,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:59:49,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:59:49,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:59:49,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:59:49,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:59:49,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:59:49,895 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:59:49,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:59:49,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:59:49,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:59:49,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:59:49,898 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:59:49,898 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:59:49,898 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:59:49,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:59:49,899 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:59:49,899 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:59:49,900 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:59:49,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:59:49,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:59:49,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:59:49,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:59:49,912 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:59:49,912 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:59:49,913 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:59:49,913 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:59:49,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:59:49,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:59:49,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:59:49,916 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:59:49,916 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:59:49,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:59:49,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:59:49,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:59:49,916 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:59:49,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:59:49,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:59:49,917 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:59:49,919 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:59:49,919 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_3d1ae8cf-917b-440e-840b-01d4d3748d0f/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2018-11-18 11:59:49,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:59:49,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:59:49,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:59:49,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:59:49,955 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:59:49,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:49,994 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/data/349303996/e83138973a2f4241a3ec5b7e80434b08/FLAG1fc23b926 [2018-11-18 11:59:50,420 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:59:50,420 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:50,426 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/data/349303996/e83138973a2f4241a3ec5b7e80434b08/FLAG1fc23b926 [2018-11-18 11:59:50,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/data/349303996/e83138973a2f4241a3ec5b7e80434b08 [2018-11-18 11:59:50,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:59:50,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:59:50,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:50,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:59:50,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:59:50,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50, skipping insertion in model container [2018-11-18 11:59:50,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:59:50,486 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:59:50,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:50,699 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:59:50,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:50,821 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:59:50,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50 WrapperNode [2018-11-18 11:59:50,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:50,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:50,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:59:50,823 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:59:50,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:50,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:59:50,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:59:50,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:59:50,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... [2018-11-18 11:59:50,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:59:50,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:59:50,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:59:50,902 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:59:50,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/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 11:59:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:59:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:59:50,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:59:51,440 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:59:51,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:51 BoogieIcfgContainer [2018-11-18 11:59:51,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:59:51,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:59:51,440 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:59:51,442 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:59:51,443 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:51,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:59:50" (1/3) ... [2018-11-18 11:59:51,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104f0c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:59:51, skipping insertion in model container [2018-11-18 11:59:51,444 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:51,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:50" (2/3) ... [2018-11-18 11:59:51,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104f0c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:59:51, skipping insertion in model container [2018-11-18 11:59:51,445 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:51,445 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:51" (3/3) ... [2018-11-18 11:59:51,446 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:51,487 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:59:51,488 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:59:51,488 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:59:51,488 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:59:51,488 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:59:51,488 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:59:51,488 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:59:51,489 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:59:51,489 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:59:51,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 11:59:51,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 11:59:51,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:51,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:51,527 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:51,527 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 11:59:51,527 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:59:51,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 11:59:51,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 11:59:51,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:51,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:51,534 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:51,535 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 11:59:51,539 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 18#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 36#L527true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 117#L520true 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; 42#L535true main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 53#L953true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 125#L930true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L582-3true [2018-11-18 11:59:51,540 INFO L796 eck$LassoCheckResult]: Loop: 29#L582-3true assume true; 35#L582-1true assume !false; 136#L583true assume test_~splverifierCounter~0 < 4; 73#L584true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 99#L592true assume !(0 != test_~tmp~4); 82#L592-2true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 157#L602true assume !(0 != test_~tmp___0~1); 144#L602-2true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 38#L612true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet51;havoc test_#t~nondet51; 60#L620true assume !(0 != test_~tmp___1~0); 67#L620-2true assume { :begin_inline_timeShift } true; 32#L651true assume !(0 != ~pumpRunning~0); 19#L651-2true assume !(0 != ~systemActive~0); 96#L658-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 151#L456-1true __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 138#L550true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 139#L550-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 152#L668true assume { :end_inline_timeShift } true; 29#L582-3true [2018-11-18 11:59:51,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:59:51,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:51,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,698 INFO L82 PathProgramCache]: Analyzing trace with hash -483710527, now seen corresponding path program 1 times [2018-11-18 11:59:51,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:51,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,715 INFO L82 PathProgramCache]: Analyzing trace with hash 698930821, now seen corresponding path program 1 times [2018-11-18 11:59:51,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:51,877 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 11:59:51,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:51,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:59:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:59:51,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:59:51,966 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 6 states. [2018-11-18 11:59:52,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:52,247 INFO L93 Difference]: Finished difference Result 512 states and 655 transitions. [2018-11-18 11:59:52,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:59:52,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 512 states and 655 transitions. [2018-11-18 11:59:52,259 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 336 [2018-11-18 11:59:52,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 512 states to 472 states and 615 transitions. [2018-11-18 11:59:52,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 472 [2018-11-18 11:59:52,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 472 [2018-11-18 11:59:52,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 472 states and 615 transitions. [2018-11-18 11:59:52,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:59:52,276 INFO L705 BuchiCegarLoop]: Abstraction has 472 states and 615 transitions. [2018-11-18 11:59:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states and 615 transitions. [2018-11-18 11:59:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 198. [2018-11-18 11:59:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-18 11:59:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2018-11-18 11:59:52,313 INFO L728 BuchiCegarLoop]: Abstraction has 198 states and 258 transitions. [2018-11-18 11:59:52,314 INFO L608 BuchiCegarLoop]: Abstraction has 198 states and 258 transitions. [2018-11-18 11:59:52,314 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:59:52,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 258 transitions. [2018-11-18 11:59:52,316 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 141 [2018-11-18 11:59:52,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:52,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:52,317 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:52,317 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, 1, 1] [2018-11-18 11:59:52,318 INFO L794 eck$LassoCheckResult]: Stem: 814#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 713#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 714#L527 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 740#L520 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; 750#L535 main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 751#L953 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 764#L930 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 733#L582-3 [2018-11-18 11:59:52,318 INFO L796 eck$LassoCheckResult]: Loop: 733#L582-3 assume true; 734#L582-1 assume !false; 739#L583 assume test_~splverifierCounter~0 < 4; 778#L584 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 779#L592 assume !(0 != test_~tmp~4); 699#L592-2 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 785#L602 assume !(0 != test_~tmp___0~1); 802#L602-2 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 742#L612 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 743#L858 assume { :end_inline_startSystem } true; 769#L620-2 assume { :begin_inline_timeShift } true; 735#L651 assume !(0 != ~pumpRunning~0); 715#L651-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 716#L709 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret52, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 723#L683-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 772#L675-3 assume { :end_inline_processEnvironment__wrappee__base } true; 771#L683-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 687#L709-1 assume { :end_inline_processEnvironment } true; 688#L658-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 798#L456-1 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 827#L550 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 774#L550-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 828#L668 assume { :end_inline_timeShift } true; 733#L582-3 [2018-11-18 11:59:52,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:52,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:59:52,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:52,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:52,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:52,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:52,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:52,372 INFO L82 PathProgramCache]: Analyzing trace with hash 896222205, now seen corresponding path program 1 times [2018-11-18 11:59:52,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:52,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:52,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,374 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:59:52,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:52,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:52,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1158607289, now seen corresponding path program 1 times [2018-11-18 11:59:52,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:52,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:52,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:52,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:30,807 WARN L180 SmtUtils]: Spent 38.28 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:00:45,771 WARN L180 SmtUtils]: Spent 14.96 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:00:45,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:00:45 BoogieIcfgContainer [2018-11-18 12:00:45,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:00:45,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:00:45,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:00:45,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:00:45,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:51" (3/4) ... [2018-11-18 12:00:45,856 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:00:45,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d1ae8cf-917b-440e-840b-01d4d3748d0f/bin-2019/uautomizer/witness.graphml [2018-11-18 12:00:45,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:00:45,906 INFO L168 Benchmark]: Toolchain (without parser) took 55468.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -270.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:00:45,907 INFO L168 Benchmark]: CDTParser took 0.16 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 12:00:45,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -197.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.33 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,908 INFO L168 Benchmark]: Boogie Preprocessor took 29.97 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,908 INFO L168 Benchmark]: RCFGBuilder took 537.83 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,908 INFO L168 Benchmark]: BuchiAutomizer took 54411.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 101.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 288.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,911 INFO L168 Benchmark]: Witness Printer took 52.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:00:45,913 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 382.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -197.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.33 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.97 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.83 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54411.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 101.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 288.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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 6 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 53.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 274 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 198 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 202 SDtfs, 920 SDslu, 1219 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: 582]: 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, ",Pump:"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15b004bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c85c0a7=0, "\n"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34f08c17=0, ")"=0, "Off"=0, ",Pump:"=33, ",Meth:"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ee25408=0, "OK"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44aaa7b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69607aeb=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@400fc881=0, "On"=0, tmp=0, ") "=0, "Off"=0, tmp___1=0, "__utac__get_this_argtype"=17, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, tmp___0=0, "libacc.c"=18, "Env(Water:%i"=12, cleanupTimeShifts=4, "libacc.c"=15, "OK"=38, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ") "=29, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, retValue_acc=0, ")"=37, "Pump(System:"=0, retValue_acc=0, \result=1, "i > 0 && i <= this->argsCount"=27, head=0, pumpRunning=0, "Pump(System:"=36, \result=0, "i > 0 && i <= this->argsCount"=23, "libacc.c"=0, "Env(Water:%i"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "Off"=28, "Off"=34, retValue_acc=1, "libacc.c"=22, "\n"=0, tmp___2=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b6d9167=0, "i > 0 && i <= this->argsCount"=16, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@743e7c94=0, "On"=0, \result=0, "On"=35, head=0, "libacc.c"=0, "libacc.c"=26, tmp=1, tmp=0, "i > 0 && i <= this->argsCount"=19, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, "CRIT"=11, "On"=31, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 582]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L465] FCALL "Env(Water:%i" [L466] FCALL ",Meth:" [L470] FCALL "CRIT" [L474] FCALL "OK" [L478] FCALL ")" [L788] FCALL "Pump(System:" [L792] FCALL "On" [L796] FCALL "Off" [L800] FCALL ",Pump:" [L804] FCALL "On" [L808] FCALL "Off" [L812] FCALL ") " [L814] FCALL "\n" [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L644] int pumpRunning = 0; [L645] int systemActive = 1; [L871] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L944] int retValue_acc ; [L945] int tmp ; [L949] FCALL select_helpers() [L950] FCALL select_features() [L951] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] RET return (retValue_acc); [L951] EXPR valid_product() [L951] tmp = valid_product() [L953] COND TRUE \read(tmp) [L955] FCALL setup() [L956] CALL runTest() [L938] CALL test() [L573] int splverifierCounter ; [L574] int tmp ; [L575] int tmp___0 ; [L576] int tmp___1 ; [L577] int tmp___2 ; [L580] splverifierCounter = 0 Loop: [L582] COND TRUE 1 [L584] COND TRUE splverifierCounter < 4 [L590] tmp = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp)) [L600] tmp___0 = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp___0)) [L610] tmp___2 = __VERIFIER_nondet_int() [L612] COND TRUE \read(tmp___2) [L614] CALL startSystem() [L857] RET systemActive = 1 [L614] startSystem() [L629] CALL timeShift() [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L660] CALL processEnvironment() [L706] int tmp ; [L709] COND FALSE !(\read(pumpRunning)) [L724] CALL processEnvironment__wrappee__methaneQuery() [L680] int tmp ; [L683] COND FALSE !(\read(pumpRunning)) [L698] RET, FCALL processEnvironment__wrappee__base() [L724] RET processEnvironment__wrappee__methaneQuery() [L660] processEnvironment() [L666] CALL __utac_acc__Specification1_spec__1() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] RET return (retValue_acc); [L548] EXPR isMethaneLevelCritical() [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE, RET !(\read(tmp)) [L666] RET __utac_acc__Specification1_spec__1() [L629] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...