./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/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 7757e3f263599cd02799bfad01adb3bcaa895e82 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:34:42,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:34:42,335 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:34:42,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:34:42,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:34:42,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:34:42,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:34:42,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:34:42,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:34:42,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:34:42,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:34:42,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:34:42,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:34:42,349 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:34:42,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:34:42,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:34:42,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:34:42,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:34:42,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:34:42,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:34:42,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:34:42,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:34:42,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:34:42,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:34:42,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:34:42,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:34:42,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:34:42,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:34:42,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:34:42,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:34:42,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:34:42,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:34:42,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:34:42,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:34:42,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:34:42,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:34:42,363 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 05:34:42,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:34:42,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:34:42,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:34:42,375 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:34:42,375 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:34:42,375 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 05:34:42,375 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 05:34:42,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:34:42,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:34:42,377 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 05:34:42,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 05:34:42,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:34:42,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:34:42,378 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 05:34:42,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:34:42,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:34:42,378 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 05:34:42,379 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 05:34:42,379 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_78014960-2941-4a01-b6ff-de567a995895/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 -> 7757e3f263599cd02799bfad01adb3bcaa895e82 [2018-11-10 05:34:42,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:34:42,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:34:42,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:34:42,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:34:42,415 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:34:42,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c [2018-11-10 05:34:42,450 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/data/40043da84/2d6d9acc0b3442bca3b3643b9bcee0e8/FLAG9dd38c500 [2018-11-10 05:34:42,854 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:34:42,854 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/sv-benchmarks/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c [2018-11-10 05:34:42,857 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/data/40043da84/2d6d9acc0b3442bca3b3643b9bcee0e8/FLAG9dd38c500 [2018-11-10 05:34:42,866 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/data/40043da84/2d6d9acc0b3442bca3b3643b9bcee0e8 [2018-11-10 05:34:42,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:34:42,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:34:42,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:34:42,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:34:42,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:34:42,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:42,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3273a8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42, skipping insertion in model container [2018-11-10 05:34:42,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:42,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:34:42,894 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:34:42,973 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:34:42,975 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:34:42,983 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:34:42,991 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:34:42,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42 WrapperNode [2018-11-10 05:34:42,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:34:42,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:34:42,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:34:42,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:34:42,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:34:43,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:34:43,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:34:43,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:34:43,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... [2018-11-10 05:34:43,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:34:43,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:34:43,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:34:43,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:34:43,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/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 [2018-11-10 05:34:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 05:34:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 05:34:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:34:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:34:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2018-11-10 05:34:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2018-11-10 05:34:43,162 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:34:43,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:43 BoogieIcfgContainer [2018-11-10 05:34:43,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:34:43,163 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 05:34:43,163 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 05:34:43,165 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 05:34:43,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:34:43,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 05:34:42" (1/3) ... [2018-11-10 05:34:43,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c56fba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:34:43, skipping insertion in model container [2018-11-10 05:34:43,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:34:43,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:42" (2/3) ... [2018-11-10 05:34:43,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c56fba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:34:43, skipping insertion in model container [2018-11-10 05:34:43,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:34:43,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:43" (3/3) ... [2018-11-10 05:34:43,168 INFO L375 chiAutomizerObserver]: Analyzing ICFG afterrec_2calls_false-unreach-call_true-termination.c [2018-11-10 05:34:43,211 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:34:43,211 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 05:34:43,211 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 05:34:43,211 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 05:34:43,211 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:34:43,212 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:34:43,212 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 05:34:43,212 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:34:43,212 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 05:34:43,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-10 05:34:43,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 05:34:43,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:34:43,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:34:43,241 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 05:34:43,241 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-10 05:34:43,241 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 05:34:43,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-10 05:34:43,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 05:34:43,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:34:43,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:34:43,243 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 05:34:43,243 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-10 05:34:43,250 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res; 13#L21true call f(4);< 18#fENTRYtrue [2018-11-10 05:34:43,250 INFO L795 eck$LassoCheckResult]: Loop: 18#fENTRYtrue ~n := #in~n; 9#L7true assume !(~n < 3);#t~post2 := ~n;~n := #t~post2 - 1;havoc #t~post2; 3#L9true call f2(~n);< 7#f2ENTRYtrue ~n := #in~n; 17#L14true assume !(~n < 3);#t~post3 := ~n;~n := #t~post3 - 1;havoc #t~post3; 11#L16true call f(~n);< 18#fENTRYtrue [2018-11-10 05:34:43,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:34:43,255 INFO L82 PathProgramCache]: Analyzing trace with hash 38808, now seen corresponding path program 1 times [2018-11-10 05:34:43,257 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:34:43,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:34:43,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:34:43,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:34:43,319 INFO L82 PathProgramCache]: Analyzing trace with hash 891958565, now seen corresponding path program 1 times [2018-11-10 05:34:43,319 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:34:43,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:34:43,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:34:43,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:34:43,334 INFO L82 PathProgramCache]: Analyzing trace with hash 904560508, now seen corresponding path program 1 times [2018-11-10 05:34:43,334 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:34:43,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:34:43,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:34:43,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:34:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:34:43,452 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:34:43,453 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:34:43,453 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:34:43,453 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:34:43,453 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:34:43,453 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:34:43,453 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:34:43,453 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:34:43,454 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-10 05:34:43,454 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:34:43,454 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:34:43,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,539 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:34:43,539 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:34:43,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:34:43,550 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:34:43,561 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:34:43,561 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f2_#t~post3=0} Honda state: {f2_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:34:43,581 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:34:43,581 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78014960-2941-4a01-b6ff-de567a995895/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:34:43,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:34:43,598 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:34:43,659 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 05:34:43,660 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:34:43,660 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:34:43,661 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:34:43,661 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:34:43,661 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:34:43,661 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:34:43,661 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:34:43,661 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:34:43,661 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-10 05:34:43,661 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:34:43,661 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:34:43,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:34:43,705 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:34:43,708 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:34:43,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:34:43,710 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:34:43,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:34:43,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:34:43,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:34:43,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:34:43,712 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:34:43,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:34:43,718 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 05:34:43,722 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 05:34:43,722 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 05:34:43,723 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 05:34:43,723 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 05:34:43,723 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 05:34:43,724 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n) = 1*f_#in~n Supporting invariants [] [2018-11-10 05:34:43,724 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 05:34:43,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:34:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:34:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:34:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:34:43,841 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2018-11-10 05:34:43,842 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 7 states. [2018-11-10 05:34:43,982 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 7 states. Result 56 states and 62 transitions. Complement of second has 26 states. [2018-11-10 05:34:43,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-10 05:34:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-10 05:34:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2018-11-10 05:34:43,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-10 05:34:43,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:34:43,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-10 05:34:43,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:34:43,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 3 letters. Loop has 12 letters. [2018-11-10 05:34:43,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:34:43,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 62 transitions. [2018-11-10 05:34:43,993 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:34:43,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2018-11-10 05:34:43,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 05:34:43,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 05:34:43,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 05:34:43,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:34:43,996 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:34:43,996 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:34:43,996 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:34:43,996 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 05:34:43,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:34:43,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:34:43,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 05:34:44,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 05:34:44 BoogieIcfgContainer [2018-11-10 05:34:44,000 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 05:34:44,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:34:44,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:34:44,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:34:44,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:43" (3/4) ... [2018-11-10 05:34:44,003 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:34:44,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:34:44,004 INFO L168 Benchmark]: Toolchain (without parser) took 1135.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -69.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:44,005 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:34:44,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:44,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.35 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:34:44,006 INFO L168 Benchmark]: Boogie Preprocessor took 8.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:44,006 INFO L168 Benchmark]: RCFGBuilder took 145.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:44,007 INFO L168 Benchmark]: BuchiAutomizer took 837.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:44,007 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:34:44,010 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.35 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 837.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 9 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...