./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 0.1.24-cad4683 [2019-11-16 00:04:03,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:04:03,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:04:03,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:04:03,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:04:03,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:04:03,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:04:03,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:04:03,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:04:03,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:04:03,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:04:03,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:04:03,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:04:03,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:04:03,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:04:03,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:04:03,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:04:03,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:04:03,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:04:03,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:04:03,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:04:03,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:04:03,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:04:03,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:04:03,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:04:03,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:04:03,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:04:03,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:04:03,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:04:03,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:04:03,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:04:03,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:04:03,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:04:03,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:04:03,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:04:03,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:04:03,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:04:03,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:04:03,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:04:03,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:04:03,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:04:03,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:04:03,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:04:03,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:04:03,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:04:03,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:04:03,467 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:04:03,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:04:03,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:04:03,468 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:04:03,468 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:04:03,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:04:03,469 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:04:03,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:04:03,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:04:03,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:04:03,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:04:03,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:04:03,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:04:03,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:04:03,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:04:03,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:04:03,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:04:03,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:04:03,473 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:04:03,474 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:04:03,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:04:03,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:04:03,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:04:03,475 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:04:03,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:04:03,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:04:03,476 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:04:03,477 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:04:03,477 INFO L138 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/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:03,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:04:03,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:04:03,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:04:03,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:04:03,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:04:03,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2019-11-16 00:04:03,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/data/9360e04fb/84d1c14e8a114641a0fbee313b9d45eb/FLAGbcca52333 [2019-11-16 00:04:04,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:04:04,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2019-11-16 00:04:04,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/data/9360e04fb/84d1c14e8a114641a0fbee313b9d45eb/FLAGbcca52333 [2019-11-16 00:04:04,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/data/9360e04fb/84d1c14e8a114641a0fbee313b9d45eb [2019-11-16 00:04:04,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:04:04,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:04:04,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:04,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:04:04,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:04:04,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718cf948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04, skipping insertion in model container [2019-11-16 00:04:04,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:04:04,491 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:04:04,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:04,667 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:04:04,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:04,784 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:04:04,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04 WrapperNode [2019-11-16 00:04:04,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:04,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:04:04,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:04:04,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:04:04,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:04:04,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:04:04,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:04:04,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:04:04,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... [2019-11-16 00:04:04,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:04:04,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:04:04,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:04:04,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:04:04,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:04:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:04:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-16 00:04:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-16 00:04:05,089 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:04:05,089 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:04:05,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:05 BoogieIcfgContainer [2019-11-16 00:04:05,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:04:05,092 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:04:05,092 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:04:05,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:04:05,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:05,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:04:04" (1/3) ... [2019-11-16 00:04:05,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20221062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:05, skipping insertion in model container [2019-11-16 00:04:05,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:05,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:04" (2/3) ... [2019-11-16 00:04:05,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20221062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:05, skipping insertion in model container [2019-11-16 00:04:05,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:05,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:05" (3/3) ... [2019-11-16 00:04:05,113 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i5_o5-2.c [2019-11-16 00:04:05,188 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:04:05,189 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:04:05,189 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:04:05,189 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:04:05,189 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:04:05,190 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:04:05,190 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:04:05,190 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:04:05,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-16 00:04:05,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-16 00:04:05,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:04:05,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:04:05,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:04:05,248 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-16 00:04:05,248 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:04:05,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-16 00:04:05,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-16 00:04:05,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:04:05,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:04:05,251 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:04:05,251 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-16 00:04:05,257 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 5; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-11-16 00:04:05,257 INFO L793 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2019-11-16 00:04:05,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:05,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-11-16 00:04:05,270 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:05,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459210147] [2019-11-16 00:04:05,271 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,271 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,367 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:05,369 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-11-16 00:04:05,369 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:05,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630980274] [2019-11-16 00:04:05,369 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,382 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:05,384 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-11-16 00:04:05,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:05,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610897928] [2019-11-16 00:04:05,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:05,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:05,400 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:05,641 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:04:05,643 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:04:05,643 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:04:05,643 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:04:05,644 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:04:05,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:04:05,644 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:04:05,644 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:04:05,645 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-2.c_Iteration1_Loop [2019-11-16 00:04:05,645 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:04:05,645 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:04:05,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:05,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:05,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:05,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:05,825 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:04:05,826 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:05,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:05,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:04:05,843 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:04:05,844 INFO L440 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/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:05,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:05,862 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:04:05,866 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:04:05,867 INFO L440 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/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:04:05,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:05,874 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:05,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:04:05,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:04:05,910 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:04:05,911 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 5] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:05,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:05,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:04:05,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:04:05,923 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-16 00:04:05,959 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:04:05,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:04:05,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:04:05,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:04:05,960 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:04:05,960 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:04:05,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:04:05,961 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:04:05,961 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-2.c_Iteration1_Lasso [2019-11-16 00:04:05,961 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:04:05,961 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:04:05,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:05,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,173 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:04:06,173 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:04:06,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:06,177 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:04:06,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:04:06,181 INFO L440 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/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:06,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:04:06,187 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e63e2f0-3d0b-42ba-b0eb-9bdebaddf198/bin/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 [2019-11-16 00:04:06,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:04:06,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:04:06,207 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-16 00:04:06,209 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:04:06,209 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:04:06,210 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:04:06,210 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:04:06,210 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:04:06,210 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:04:06,210 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:04:06,210 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:04:06,211 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-2.c_Iteration1_Lasso [2019-11-16 00:04:06,211 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:04:06,211 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:04:06,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:06,342 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:04:06,347 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:04:06,349 INFO L120 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 [2019-11-16 00:04:06,351 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,352 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,352 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,352 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,353 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,355 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,355 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,360 INFO L120 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 [2019-11-16 00:04:06,360 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,361 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,361 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,361 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,361 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,362 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,362 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,364 INFO L120 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 [2019-11-16 00:04:06,364 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,365 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,365 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,365 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,365 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,366 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,366 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,368 INFO L120 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 [2019-11-16 00:04:06,368 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,369 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,369 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,369 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,369 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,370 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,370 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,372 INFO L120 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 [2019-11-16 00:04:06,373 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,373 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,374 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,374 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,374 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,375 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,375 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,376 INFO L120 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 [2019-11-16 00:04:06,377 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,377 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:06,378 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,378 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:06,378 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,379 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:06,379 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:06,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:06,381 INFO L120 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 [2019-11-16 00:04:06,382 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:06,382 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:06,382 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:04:06,382 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:06,392 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-16 00:04:06,392 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-16 00:04:06,606 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:04:06,644 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-16 00:04:06,645 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-11-16 00:04:06,647 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:04:06,652 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-16 00:04:06,653 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:04:06,654 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-11-16 00:04:06,662 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-16 00:04:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:06,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:04:06,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:06,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:04:06,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:06,848 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 [2019-11-16 00:04:06,850 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-11-16 00:04:07,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2019-11-16 00:04:07,075 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 [2019-11-16 00:04:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-16 00:04:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-16 00:04:07,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-16 00:04:07,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:07,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-16 00:04:07,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:07,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-16 00:04:07,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:07,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-11-16 00:04:07,092 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:04:07,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-11-16 00:04:07,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:04:07,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:04:07,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:04:07,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:04:07,098 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:07,098 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:07,098 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:07,098 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:04:07,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:04:07,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:04:07,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:04:07,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:04:07 BoogieIcfgContainer [2019-11-16 00:04:07,115 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:04:07,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:04:07,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:04:07,116 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:04:07,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:05" (3/4) ... [2019-11-16 00:04:07,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:04:07,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:04:07,129 INFO L168 Benchmark]: Toolchain (without parser) took 2670.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 953.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:07,130 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:04:07,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:07,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:04:07,134 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:04:07,135 INFO L168 Benchmark]: RCFGBuilder took 254.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:07,136 INFO L168 Benchmark]: BuchiAutomizer took 2023.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 152.3 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:07,137 INFO L168 Benchmark]: Witness Printer took 10.38 ms. Allocated memory is still 1.2 GB. Free memory is still 953.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:04:07,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 254.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2023.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 152.3 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. * Witness Printer took 10.38 ms. Allocated memory is still 1.2 GB. Free memory is still 953.9 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 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 4 SDtfs, 8 SDslu, 2 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: 272ms 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...