./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i5_o5_true-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_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i5_o5_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 e05793781d8e05fe8376a30b6751438f3b1a9d08 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:03:39,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:03:39,695 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:03:39,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:03:39,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:03:39,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:03:39,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:03:39,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:03:39,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:03:39,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:03:39,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:03:39,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:03:39,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:03:39,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:03:39,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:03:39,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:03:39,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:03:39,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:03:39,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:03:39,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:03:39,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:03:39,722 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:03:39,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:03:39,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:03:39,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:03:39,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:03:39,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:03:39,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:03:39,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:03:39,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:03:39,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:03:39,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:03:39,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:03:39,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:03:39,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:03:39,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:03:39,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-09 23:03:39,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:03:39,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:03:39,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:03:39,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:03:39,749 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:03:39,749 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-09 23:03:39,749 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-09 23:03:39,749 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-09 23:03:39,749 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-09 23:03:39,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:03:39,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:03:39,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:03:39,752 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-09 23:03:39,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-09 23:03:39,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:03:39,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:03:39,752 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-09 23:03:39,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:03:39,752 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:03:39,753 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-09 23:03:39,754 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-09 23:03:39,754 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_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 -> e05793781d8e05fe8376a30b6751438f3b1a9d08 [2018-11-09 23:03:39,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:03:39,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:03:39,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:03:39,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:03:39,799 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:03:39,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i5_o5_true-unreach-call_true-termination.c [2018-11-09 23:03:39,853 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/data/07f72217a/26bbed74b3ec4a5897fb4df52dd2da24/FLAG4804f09a5 [2018-11-09 23:03:40,179 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:03:40,179 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/sv-benchmarks/c/recursive-simple/id_i5_o5_true-unreach-call_true-termination.c [2018-11-09 23:03:40,183 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/data/07f72217a/26bbed74b3ec4a5897fb4df52dd2da24/FLAG4804f09a5 [2018-11-09 23:03:40,190 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/data/07f72217a/26bbed74b3ec4a5897fb4df52dd2da24 [2018-11-09 23:03:40,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:03:40,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:03:40,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:03:40,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:03:40,196 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:03:40,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccf4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40, skipping insertion in model container [2018-11-09 23:03:40,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:03:40,213 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:03:40,304 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:03:40,306 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:03:40,315 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:03:40,323 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:03:40,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40 WrapperNode [2018-11-09 23:03:40,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:03:40,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:03:40,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:03:40,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:03:40,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:03:40,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:03:40,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:03:40,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:03:40,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... [2018-11-09 23:03:40,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:03:40,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:03:40,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:03:40,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:03:40,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 [2018-11-09 23:03:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:03:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:03:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-09 23:03:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-09 23:03:40,532 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:03:40,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:40 BoogieIcfgContainer [2018-11-09 23:03:40,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:03:40,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-09 23:03:40,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-09 23:03:40,536 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-09 23:03:40,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:03:40,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 11:03:40" (1/3) ... [2018-11-09 23:03:40,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5267f37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:03:40, skipping insertion in model container [2018-11-09 23:03:40,537 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:03:40,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:40" (2/3) ... [2018-11-09 23:03:40,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5267f37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:03:40, skipping insertion in model container [2018-11-09 23:03:40,538 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:03:40,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:40" (3/3) ... [2018-11-09 23:03:40,539 INFO L375 chiAutomizerObserver]: Analyzing ICFG id_i5_o5_true-unreach-call_true-termination.c [2018-11-09 23:03:40,575 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:03:40,575 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-09 23:03:40,576 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-09 23:03:40,576 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-09 23:03:40,576 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:03:40,576 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:03:40,576 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-09 23:03:40,576 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:03:40,576 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-09 23:03:40,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-09 23:03:40,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-09 23:03:40,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:03:40,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:03:40,609 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-09 23:03:40,609 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-09 23:03:40,610 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-09 23:03:40,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-09 23:03:40,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-09 23:03:40,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:03:40,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:03:40,611 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-09 23:03:40,611 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-09 23:03:40,616 INFO L793 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 5; 8#L11true call main_#t~ret1 := id(main_~input~0);< 10#idENTRYtrue [2018-11-09 23:03:40,617 INFO L795 eck$LassoCheckResult]: Loop: 10#idENTRYtrue ~x := #in~x; 15#L5true assume !(~x == 0); 12#L6true call #t~ret0 := id(~x - 1);< 10#idENTRYtrue [2018-11-09 23:03:40,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:03:40,621 INFO L82 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2018-11-09 23:03:40,622 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:03:40,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:03:40,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:03:40,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:03:40,682 INFO L82 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2018-11-09 23:03:40,682 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:03:40,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:03:40,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:03:40,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:03:40,691 INFO L82 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2018-11-09 23:03:40,691 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:03:40,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:03:40,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:03:40,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:03:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:03:40,781 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:03:40,782 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:03:40,782 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:03:40,782 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:03:40,783 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-09 23:03:40,783 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:40,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:03:40,783 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:03:40,783 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_true-unreach-call_true-termination.c_Iteration1_Loop [2018-11-09 23:03:40,783 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:03:40,783 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:03:40,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:40,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:40,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:40,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:40,871 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:03:40,872 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 [2018-11-09 23:03:40,876 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:40,876 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:40,880 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:03:40,881 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 [2018-11-09 23:03:40,897 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:40,897 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:40,903 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:03:40,903 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/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 [2018-11-09 23:03:40,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:40,923 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:40,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:03:40,945 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:40,956 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:03:40,956 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-8} Honda state: {id_#in~x=-8} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=-1}, {id_#in~x=0}] Lambdas: [6, 1, 3] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:40,972 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:40,972 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:40,974 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:03:40,974 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-09 23:03:41,019 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:03:41,019 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:03:41,019 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:03:41,019 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:03:41,019 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-09 23:03:41,019 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:41,020 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:03:41,020 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:03:41,020 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-09 23:03:41,020 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:03:41,020 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:03:41,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,099 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:03:41,100 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:41,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:41,112 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:41,115 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:03:41,115 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:41,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:03:41,140 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f324a39f-34f4-4ff1-a207-b834bcac0f2e/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:41,160 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:03:41,160 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:03:41,180 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-09 23:03:41,181 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:03:41,181 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:03:41,181 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:03:41,181 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:03:41,181 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-09 23:03:41,181 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:03:41,181 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:03:41,181 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:03:41,182 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-09 23:03:41,182 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:03:41,182 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:03:41,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:03:41,239 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:03:41,242 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-09 23:03:41,243 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 [2018-11-09 23:03:41,244 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,245 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,245 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,245 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,245 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,246 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,248 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,249 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 [2018-11-09 23:03:41,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,250 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,250 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,250 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 [2018-11-09 23:03:41,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,251 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,252 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,253 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,253 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 [2018-11-09 23:03:41,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,253 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,254 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,254 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,255 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,255 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 [2018-11-09 23:03:41,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,256 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,257 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,257 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 [2018-11-09 23:03:41,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,258 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:03:41,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:03:41,258 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,259 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:03:41,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:03:41,260 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:03:41,260 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 [2018-11-09 23:03:41,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:03:41,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:03:41,261 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-09 23:03:41,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:03:41,266 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-09 23:03:41,267 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-09 23:03:41,322 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-09 23:03:41,350 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-09 23:03:41,350 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-09 23:03:41,353 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-09 23:03:41,357 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-09 23:03:41,357 INFO L517 LassoAnalysis]: Proved termination. [2018-11-09 23:03:41,357 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-09 23:03:41,360 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-09 23:03:41,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:03:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:03:41,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:03:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:03:41,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:03:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:03:41,470 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-11-09 23:03:41,471 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2018-11-09 23:03:41,598 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 30 states and 35 transitions. Complement of second has 13 states. [2018-11-09 23:03:41,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-09 23:03:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-09 23:03:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2018-11-09 23:03:41,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-11-09 23:03:41,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:03:41,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-09 23:03:41,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:03:41,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-09 23:03:41,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:03:41,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2018-11-09 23:03:41,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:03:41,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2018-11-09 23:03:41,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-09 23:03:41,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-09 23:03:41,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-09 23:03:41,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-09 23:03:41,607 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:03:41,607 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:03:41,607 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:03:41,607 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-09 23:03:41,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-09 23:03:41,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:03:41,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-09 23:03:41,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 11:03:41 BoogieIcfgContainer [2018-11-09 23:03:41,613 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-09 23:03:41,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:03:41,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:03:41,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:03:41,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:40" (3/4) ... [2018-11-09 23:03:41,616 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:03:41,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:03:41,616 INFO L168 Benchmark]: Toolchain (without parser) took 1423.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 961.8 MB in the beginning and 996.8 MB in the end (delta: -35.0 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,618 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:03:41,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.62 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 950.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,619 INFO L168 Benchmark]: Boogie Preprocessor took 9.17 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,620 INFO L168 Benchmark]: RCFGBuilder took 177.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,620 INFO L168 Benchmark]: BuchiAutomizer took 1079.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 996.8 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:03:41,621 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:03:41,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.62 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 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 22.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 950.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.17 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1079.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 996.8 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 996.8 MB. 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(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 5 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 96ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 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...