./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Sequence_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Sequence_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 64bit --witnessprinter.graph.data.programhash 535f92a2734d803c22d5e10e2200913cae078252 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:47:16,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:47:16,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:47:16,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:47:16,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:47:16,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:47:16,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:47:16,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:47:16,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:47:16,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:47:16,281 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:47:16,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:47:16,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:47:16,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:47:16,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:47:16,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:47:16,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:47:16,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:47:16,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:47:16,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:47:16,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:47:16,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:47:16,291 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:47:16,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:47:16,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:47:16,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:47:16,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:47:16,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:47:16,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:47:16,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:47:16,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:47:16,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:47:16,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:47:16,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:47:16,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:47:16,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:47:16,297 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 03:47:16,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:47:16,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:47:16,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:47:16,309 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:47:16,309 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:47:16,309 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 03:47:16,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:47:16,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 03:47:16,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 03:47:16,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:47:16,312 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:47:16,312 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 03:47:16,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:47:16,312 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:47:16,312 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 03:47:16,313 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 03:47:16,313 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_a8c01d84-64b1-4bd8-94d4-83133563f465/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 535f92a2734d803c22d5e10e2200913cae078252 [2018-11-10 03:47:16,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:47:16,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:47:16,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:47:16,351 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:47:16,351 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:47:16,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/java_Sequence_true-termination_true-no-overflow.c [2018-11-10 03:47:16,397 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/data/4d0f327ca/2c06b2f9612a4c78b9530717143d0cb9/FLAGce2c454d0 [2018-11-10 03:47:16,814 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:47:16,814 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/sv-benchmarks/c/termination-restricted-15/java_Sequence_true-termination_true-no-overflow.c [2018-11-10 03:47:16,819 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/data/4d0f327ca/2c06b2f9612a4c78b9530717143d0cb9/FLAGce2c454d0 [2018-11-10 03:47:16,831 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/data/4d0f327ca/2c06b2f9612a4c78b9530717143d0cb9 [2018-11-10 03:47:16,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:47:16,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:47:16,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:47:16,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:47:16,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:47:16,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:47:16" (1/1) ... [2018-11-10 03:47:16,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566a5753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:16, skipping insertion in model container [2018-11-10 03:47:16,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:47:16" (1/1) ... [2018-11-10 03:47:16,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:47:16,863 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:47:16,980 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:47:16,984 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:47:16,994 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:47:17,002 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:47:17,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17 WrapperNode [2018-11-10 03:47:17,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:47:17,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:47:17,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:47:17,003 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:47:17,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:47:17,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:47:17,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:47:17,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:47:17,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... [2018-11-10 03:47:17,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:47:17,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:47:17,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:47:17,031 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:47:17,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:47:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:47:17,182 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:47:17,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:47:17 BoogieIcfgContainer [2018-11-10 03:47:17,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:47:17,183 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 03:47:17,183 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 03:47:17,186 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 03:47:17,186 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:47:17,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 03:47:16" (1/3) ... [2018-11-10 03:47:17,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c861784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:47:17, skipping insertion in model container [2018-11-10 03:47:17,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:47:17,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:47:17" (2/3) ... [2018-11-10 03:47:17,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c861784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:47:17, skipping insertion in model container [2018-11-10 03:47:17,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:47:17,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:47:17" (3/3) ... [2018-11-10 03:47:17,190 INFO L375 chiAutomizerObserver]: Analyzing ICFG java_Sequence_true-termination_true-no-overflow.c [2018-11-10 03:47:17,235 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:47:17,236 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 03:47:17,236 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 03:47:17,236 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 03:47:17,236 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:47:17,236 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:47:17,236 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 03:47:17,237 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:47:17,237 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 03:47:17,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 03:47:17,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-10 03:47:17,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:47:17,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:47:17,270 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 03:47:17,270 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 03:47:17,270 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 03:47:17,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 03:47:17,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-10 03:47:17,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:47:17,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:47:17,272 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 03:47:17,272 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 03:47:17,278 INFO L793 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0, main_~c~0;havoc main_~i~0;havoc main_~j~0;havoc main_~c~0;main_~c~0 := 0;main_~i~0 := 0; 8#L10-3true [2018-11-10 03:47:17,279 INFO L795 eck$LassoCheckResult]: Loop: 8#L10-3true assume true; 13#L10-1true assume !!(main_~i~0 < 100);main_~c~0 := main_~c~0 + 1;main_~i~0 := main_~i~0 + 1; 8#L10-3true [2018-11-10 03:47:17,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 03:47:17,285 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:47:17,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:47:17,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:17,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 03:47:17,351 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:47:17,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:47:17,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:17,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,361 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 03:47:17,362 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:47:17,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:47:17,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:17,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,402 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:47:17,403 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:47:17,403 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:47:17,403 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:47:17,404 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 03:47:17,404 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,404 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:47:17,404 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:47:17,405 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Sequence_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-10 03:47:17,405 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:47:17,405 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:47:17,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,508 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:47:17,509 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,514 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:17,514 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:17,547 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:17,547 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:17,550 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:17,568 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:17,569 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:17,572 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 [2018-11-10 03:47:17,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:47:17,590 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:17,617 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:17,617 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-3}, {ULTIMATE.start_main_~c~0=4}] Lambdas: [12, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 [2018-11-10 03:47:17,634 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:17,634 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 [2018-11-10 03:47:17,655 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:47:17,655 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:17,684 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 03:47:17,685 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:47:17,686 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:47:17,686 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:47:17,686 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:47:17,686 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 03:47:17,686 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,686 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:47:17,686 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:47:17,686 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Sequence_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-10 03:47:17,686 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:47:17,686 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:47:17,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,762 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:47:17,765 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 03:47:17,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:17,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:17,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:17,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:17,767 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:17,770 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 03:47:17,770 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 03:47:17,776 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:17,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:17,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:17,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:17,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:17,777 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:17,779 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 03:47:17,779 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 03:47:17,786 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:17,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:17,787 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:17,787 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:47:17,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:17,787 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:17,788 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:17,788 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:47:17,788 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:47:17,792 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:17,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:17,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:17,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:47:17,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:17,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:17,793 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:17,794 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:47:17,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:47:17,802 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 03:47:17,804 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 03:47:17,804 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-10 03:47:17,805 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 03:47:17,805 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 03:47:17,806 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 03:47:17,806 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2018-11-10 03:47:17,807 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 03:47:17,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:17,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:47:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:17,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:47:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:47:17,857 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-10 03:47:17,858 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-10 03:47:17,886 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 34 transitions. Complement of second has 5 states. [2018-11-10 03:47:17,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-10 03:47:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-10 03:47:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2018-11-10 03:47:17,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-10 03:47:17,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:17,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-10 03:47:17,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:17,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-10 03:47:17,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:17,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2018-11-10 03:47:17,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 03:47:17,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 9 states and 11 transitions. [2018-11-10 03:47:17,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-10 03:47:17,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-10 03:47:17,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2018-11-10 03:47:17,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 03:47:17,901 INFO L705 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2018-11-10 03:47:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2018-11-10 03:47:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-10 03:47:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-10 03:47:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2018-11-10 03:47:17,925 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2018-11-10 03:47:17,925 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2018-11-10 03:47:17,925 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 03:47:17,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2018-11-10 03:47:17,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 03:47:17,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:47:17,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:47:17,926 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 03:47:17,926 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 03:47:17,926 INFO L793 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0, main_~c~0;havoc main_~i~0;havoc main_~j~0;havoc main_~c~0;main_~c~0 := 0;main_~i~0 := 0; 74#L10-3 assume true; 80#L10-1 assume !(main_~i~0 < 100); 76#L10-4 main_~j~0 := 5; 77#L15-3 [2018-11-10 03:47:17,926 INFO L795 eck$LassoCheckResult]: Loop: 77#L15-3 assume true; 78#L15-1 assume !!(main_~j~0 < 21);main_~c~0 := main_~c~0 + 1;main_~j~0 := main_~j~0 + 3; 77#L15-3 [2018-11-10 03:47:17,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,927 INFO L82 PathProgramCache]: Analyzing trace with hash 28694825, now seen corresponding path program 1 times [2018-11-10 03:47:17,927 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:47:17,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:47:17,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:17,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:47:17,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:47:17,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:47:17,954 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-11-10 03:47:17,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1607, now seen corresponding path program 1 times [2018-11-10 03:47:17,954 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:47:17,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:47:17,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:47:17,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:47:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:47:17,974 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:47:17,975 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:47:17,975 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:47:17,975 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:47:17,975 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 03:47:17,975 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:17,975 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:47:17,975 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:47:17,975 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Sequence_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-10 03:47:17,975 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:47:17,975 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:47:17,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:17,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:18,022 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:47:18,022 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 [2018-11-10 03:47:18,026 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:18,026 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:18,044 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:18,044 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/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 [2018-11-10 03:47:18,047 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:18,047 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:18,063 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:18,063 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:18,066 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:18,066 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:18,083 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:47:18,084 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:18,106 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:47:18,106 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-3}, {ULTIMATE.start_main_~c~0=4}] Lambdas: [12, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:18,122 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:47:18,122 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8c01d84-64b1-4bd8-94d4-83133563f465/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:18,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:47:18,140 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:47:18,158 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 03:47:18,159 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:47:18,159 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:47:18,159 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:47:18,159 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:47:18,159 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 03:47:18,159 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:47:18,160 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:47:18,160 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:47:18,160 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Sequence_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-10 03:47:18,160 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:47:18,160 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:47:18,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:18,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:18,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:18,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:47:18,234 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:47:18,234 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 03:47:18,234 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:18,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:18,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:18,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:18,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:18,237 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 03:47:18,237 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 03:47:18,241 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:18,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 03:47:18,242 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:18,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:18,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:18,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:18,244 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 03:47:18,244 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 03:47:18,249 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:18,249 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 [2018-11-10 03:47:18,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:18,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:47:18,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:18,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:18,251 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:18,251 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:47:18,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:47:18,254 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:47:18,255 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 [2018-11-10 03:47:18,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:47:18,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:47:18,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:47:18,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:47:18,256 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:47:18,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:47:18,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:47:18,259 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 03:47:18,262 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 03:47:18,262 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-10 03:47:18,263 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 03:47:18,263 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 03:47:18,263 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 03:47:18,263 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 Supporting invariants [] [2018-11-10 03:47:18,264 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 03:47:18,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:47:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:18,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:47:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:47:18,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:47:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:47:18,294 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-10 03:47:18,295 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. [2018-11-10 03:47:18,299 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 11 states and 14 transitions. Complement of second has 4 states. [2018-11-10 03:47:18,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-10 03:47:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-10 03:47:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2018-11-10 03:47:18,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-10 03:47:18,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:18,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-10 03:47:18,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:18,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-10 03:47:18,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:47:18,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2018-11-10 03:47:18,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 03:47:18,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2018-11-10 03:47:18,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 03:47:18,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 03:47:18,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 03:47:18,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 03:47:18,304 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:47:18,304 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:47:18,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:47:18,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:47:18,308 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-10 03:47:18,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:47:18,311 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-10 03:47:18,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:47:18,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-10 03:47:18,311 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 03:47:18,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 03:47:18,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 03:47:18,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 03:47:18,312 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 03:47:18,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:47:18,312 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 03:47:18,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 03:47:18,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 03:47:18 BoogieIcfgContainer [2018-11-10 03:47:18,318 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 03:47:18,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:47:18,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:47:18,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:47:18,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:47:17" (3/4) ... [2018-11-10 03:47:18,323 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:47:18,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:47:18,324 INFO L168 Benchmark]: Toolchain (without parser) took 1489.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.9 MB in the beginning and 981.0 MB in the end (delta: -20.2 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:47:18,325 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:47:18,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:47:18,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:47:18,326 INFO L168 Benchmark]: Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:47:18,327 INFO L168 Benchmark]: RCFGBuilder took 151.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:47:18,328 INFO L168 Benchmark]: BuchiAutomizer took 1135.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 141.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:47:18,328 INFO L168 Benchmark]: Witness Printer took 4.21 ms. Allocated memory is still 1.2 GB. Free memory is still 981.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:47:18,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 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 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 151.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1135.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 141.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.21 ms. Allocated memory is still 1.2 GB. Free memory is still 981.0 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 43 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 16 SDslu, 9 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...