./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d29117e01c2d68b456be2ae55b4c10d8b73c290 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:17:19,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:17:19,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:17:19,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:17:19,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:17:19,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:17:19,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:17:19,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:17:19,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:17:19,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:17:19,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:17:19,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:17:19,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:17:19,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:17:19,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:17:19,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:17:19,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:17:19,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:17:19,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:17:19,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:17:19,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:17:19,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:17:19,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:17:19,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:17:19,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:17:19,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:17:19,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:17:19,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:17:19,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:17:19,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:17:19,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:17:19,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:17:19,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:17:19,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:17:19,477 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:17:19,478 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:17:19,478 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 13:17:19,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:17:19,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:17:19,490 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:17:19,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:17:19,490 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:17:19,490 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 13:17:19,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:17:19,491 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 13:17:19,492 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 13:17:19,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:17:19,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:17:19,493 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 13:17:19,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:17:19,493 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:17:19,493 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 13:17:19,493 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 13:17:19,494 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_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d29117e01c2d68b456be2ae55b4c10d8b73c290 [2018-11-10 13:17:19,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:17:19,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:17:19,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:17:19,525 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:17:19,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:17:19,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-10 13:17:19,562 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/data/794e1b0ff/cd1a6b579b334e70ab8e47e8ab2488b0/FLAGbe4c7d619 [2018-11-10 13:17:19,950 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:17:19,951 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-10 13:17:19,954 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/data/794e1b0ff/cd1a6b579b334e70ab8e47e8ab2488b0/FLAGbe4c7d619 [2018-11-10 13:17:19,963 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/data/794e1b0ff/cd1a6b579b334e70ab8e47e8ab2488b0 [2018-11-10 13:17:19,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:17:19,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:17:19,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:17:19,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:17:19,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:17:19,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:19" (1/1) ... [2018-11-10 13:17:19,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:19, skipping insertion in model container [2018-11-10 13:17:19,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:19" (1/1) ... [2018-11-10 13:17:19,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:17:19,990 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:17:20,101 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:17:20,103 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:17:20,111 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:17:20,119 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:17:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20 WrapperNode [2018-11-10 13:17:20,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:17:20,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:17:20,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:17:20,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:17:20,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:17:20,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:17:20,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:17:20,139 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:17:20,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... [2018-11-10 13:17:20,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:17:20,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:17:20,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:17:20,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:17:20,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:17:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:17:20,344 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:17:20,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:20 BoogieIcfgContainer [2018-11-10 13:17:20,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:17:20,344 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 13:17:20,345 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 13:17:20,348 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 13:17:20,349 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:17:20,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:17:19" (1/3) ... [2018-11-10 13:17:20,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7100a96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:17:20, skipping insertion in model container [2018-11-10 13:17:20,350 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:17:20,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:20" (2/3) ... [2018-11-10 13:17:20,351 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7100a96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:17:20, skipping insertion in model container [2018-11-10 13:17:20,351 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:17:20,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:20" (3/3) ... [2018-11-10 13:17:20,352 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_false-unreach-call1_true-termination.i [2018-11-10 13:17:20,389 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:17:20,389 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 13:17:20,389 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 13:17:20,390 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 13:17:20,390 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:17:20,390 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:17:20,390 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 13:17:20,390 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:17:20,390 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 13:17:20,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 13:17:20,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 13:17:20,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:17:20,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:17:20,417 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 13:17:20,418 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 13:17:20,418 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 13:17:20,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 13:17:20,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 13:17:20,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:17:20,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:17:20,419 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 13:17:20,419 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 13:17:20,424 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-10 13:17:20,424 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 13:17:20,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:20,428 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 13:17:20,430 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:20,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:20,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:17:20,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:20,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 13:17:20,490 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:20,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:20,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:17:20,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:20,499 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 13:17:20,499 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:20,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:20,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:17:20,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:20,579 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:20,580 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:20,580 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:20,580 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:20,580 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:17:20,580 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:20,580 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:20,580 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:20,580 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 13:17:20,580 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:20,581 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:20,597 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 13:17:20,611 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 13:17:20,615 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 13:17:20,715 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:20,715 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:20,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:20,718 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:20,725 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:20,725 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:20,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:20,741 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:20,744 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:20,744 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:20,759 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:20,759 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:20,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:17:20,779 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:32,808 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 13:17:32,811 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:32,811 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:32,811 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:32,811 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:32,811 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:17:32,811 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:32,811 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:32,811 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:32,811 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 13:17:32,811 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:32,812 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:32,813 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 13:17:32,814 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 13:17:32,816 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 13:17:32,896 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:32,900 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:17:32,901 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 13:17:32,902 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,902 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,903 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:32,904 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:32,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,907 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,907 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 13:17:32,908 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,908 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:32,909 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:32,909 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,910 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,910 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 13:17:32,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,912 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:32,912 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:32,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,919 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,919 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 13:17:32,920 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 13:17:32,920 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,920 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,921 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,921 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,922 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,923 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 13:17:32,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,924 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,924 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,926 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,926 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 13:17:32,927 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,928 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,929 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,938 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,938 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 13:17:32,939 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 13:17:32,939 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,940 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:32,941 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:32,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,942 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,942 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 13:17:32,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,943 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:32,944 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:32,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,946 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,946 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 13:17:32,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,947 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:32,949 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:32,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,959 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,959 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 13:17:32,959 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 13:17:32,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,960 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,961 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:32,961 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:32,961 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,962 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,963 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 13:17:32,963 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,964 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:32,965 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:32,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,966 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,966 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 13:17:32,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:32,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,968 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:32,969 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:32,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,982 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,982 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 13:17:32,982 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 13:17:32,983 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:32,983 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:32,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,984 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,985 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,986 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,986 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 13:17:32,987 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:32,987 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:32,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,988 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,990 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:32,993 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:32,994 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 13:17:32,994 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:32,994 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:32,995 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:32,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:32,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:32,995 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:32,997 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:32,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,020 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,020 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 13:17:33,020 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 13:17:33,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,021 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:33,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,022 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,023 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,025 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,025 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 13:17:33,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,026 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:33,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,026 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,029 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,033 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,033 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 13:17:33,034 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,034 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:33,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,035 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,035 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,036 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,064 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,065 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 13:17:33,065 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 13:17:33,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,066 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,066 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,066 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:33,068 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:33,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,069 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,069 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 13:17:33,070 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,070 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,071 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:33,074 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:33,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,076 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,077 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 13:17:33,077 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,077 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,078 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:33,080 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:33,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,109 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,110 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 13:17:33,110 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 13:17:33,111 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,111 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:33,111 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,111 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,111 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,112 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,114 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,114 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 13:17:33,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,115 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:33,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,115 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,116 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,120 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,120 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 13:17:33,121 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,121 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:33,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,121 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:33,122 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:33,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,129 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,129 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 13:17:33,129 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 13:17:33,130 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,130 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,131 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:33,132 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:33,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,136 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,136 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 13:17:33,137 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,137 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,137 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:33,139 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:33,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,148 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,149 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 13:17:33,149 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:33,149 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:33,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:33,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:33,150 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:33,150 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:33,151 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:33,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:33,163 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:33,203 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:33,203 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:33,203 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:33,203 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:33,203 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:17:33,203 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:33,203 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:33,203 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:33,204 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 13:17:33,204 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:33,204 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:33,205 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 13:17:33,207 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 13:17:33,208 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 13:17:33,211 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 13:17:33,276 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:33,276 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,285 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:33,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:33,288 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:33,288 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,319 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:33,320 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:33,322 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:33,322 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,341 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:33,341 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,363 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:17:33,363 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:33,384 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:33,384 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-6}] Lambdas: [2, 5, 2] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,404 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:33,404 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:33,424 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:17:33,424 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:45,455 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 13:17:45,459 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:45,459 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:45,459 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:45,459 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:45,459 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:17:45,459 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:45,459 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:45,459 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:45,459 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 13:17:45,459 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:45,459 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:45,460 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 13:17:45,465 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 13:17:45,467 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 13:17:45,469 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 13:17:45,529 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:45,530 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:17:45,530 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 13:17:45,531 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,531 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:45,532 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:45,533 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:17:45,539 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,539 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 13:17:45,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,540 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,540 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:45,540 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:45,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,541 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,541 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 13:17:45,541 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,542 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,542 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:45,547 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:45,547 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:17:45,552 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,552 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 13:17:45,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:45,554 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:45,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,554 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,554 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 13:17:45,557 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 13:17:45,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,558 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,560 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:17:45,560 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:17:45,569 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,569 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 13:17:45,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,570 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,571 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:45,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,571 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,572 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 13:17:45,572 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,572 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,574 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:17:45,574 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:17:45,590 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,590 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 13:17:45,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,591 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,591 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,592 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:45,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,592 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,593 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 13:17:45,593 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 13:17:45,593 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,594 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,597 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:45,597 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:45,608 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,609 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 13:17:45,609 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,609 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,609 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,610 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,610 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:45,610 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,611 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,611 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 13:17:45,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,612 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,613 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:45,614 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:45,644 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,645 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 13:17:45,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,646 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,646 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:45,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,647 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,647 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 13:17:45,647 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 13:17:45,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,648 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,648 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:45,650 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:17:45,650 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:17:45,661 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,661 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 13:17:45,662 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,662 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,662 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:45,663 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:45,663 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,663 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,663 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 13:17:45,664 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,664 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:45,666 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:17:45,666 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:17:45,699 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,699 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 13:17:45,700 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:45,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,700 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:45,701 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:45,701 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,701 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,702 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 13:17:45,702 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 13:17:45,702 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,702 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:45,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,703 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,704 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:17:45,704 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:17:45,720 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,721 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 13:17:45,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,721 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:45,722 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,722 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,722 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:45,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,723 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,723 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 13:17:45,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,724 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:45,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,724 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,726 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:17:45,727 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:17:45,808 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,808 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 13:17:45,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,810 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:45,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,810 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:45,810 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:45,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,811 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,811 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 13:17:45,812 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 13:17:45,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,812 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:45,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,812 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,814 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:45,815 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:45,835 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,835 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 13:17:45,836 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,836 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:45,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:45,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,836 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,837 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:45,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:45,838 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:45,838 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 13:17:45,838 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:45,839 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:45,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:45,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:45,839 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:45,842 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:45,842 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:46,232 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:46,233 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 13:17:46,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:46,233 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:46,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:46,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:46,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:46,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:46,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:46,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:46,235 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:46,235 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 13:17:46,236 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 13:17:46,236 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:46,236 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:46,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:46,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:46,237 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:46,239 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:17:46,239 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:17:46,272 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:46,273 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 13:17:46,273 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:46,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:46,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:46,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:46,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:46,274 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:46,275 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:46,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:46,275 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:46,276 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 13:17:46,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:46,276 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:46,276 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:46,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:46,277 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:46,281 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:17:46,281 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:17:47,320 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,320 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 13:17:47,321 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,321 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:47,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:47,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:47,323 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:47,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:47,323 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,323 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 13:17:47,324 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 13:17:47,324 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,324 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:47,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,325 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:47,326 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:47,326 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:47,334 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,335 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 13:17:47,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,335 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:47,335 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:47,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,336 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:47,336 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:47,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:47,337 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,338 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 13:17:47,338 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,338 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:47,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,339 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:47,340 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:17:47,340 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:17:47,361 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,361 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 13:17:47,362 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,362 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:47,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:47,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,362 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:47,365 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:47,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:47,366 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,366 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 13:17:47,366 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 13:17:47,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,367 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:47,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,367 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:47,369 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 13:17:47,369 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 13:17:47,385 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,385 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 13:17:47,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,386 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:47,386 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:47,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,386 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:47,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:47,389 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:47,390 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,390 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 13:17:47,391 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,391 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:47,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,391 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:47,394 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 13:17:47,394 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 13:17:47,527 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,527 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 13:17:47,527 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:47,528 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:47,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:47,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:47,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:47,528 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:47,529 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:47,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:47,530 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:47,531 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 13:17:47,531 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 13:17:47,531 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 13:17:47,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:47,532 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 13:17:47,532 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:47,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:47,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:17:47,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:47,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 13:17:47,539 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:47,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:47,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,540 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 13:17:47,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:47,546 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 13:17:47,546 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:17:47,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:17:47,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,547 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 13:17:47,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:17:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:17:47,590 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:47,590 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:47,590 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:47,591 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:47,591 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:17:47,591 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:47,591 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:47,591 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:47,591 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 13:17:47,591 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:47,591 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:47,592 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 13:17:47,594 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 13:17:47,596 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 13:17:47,634 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:47,635 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:47,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:47,638 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:47,647 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:47,647 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/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 13:17:47,664 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:47,664 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:47,666 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:17:47,667 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:47,688 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:17:47,688 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:47,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:17:47,716 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:17:59,752 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 13:17:59,756 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:59,756 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:59,757 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:59,757 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:59,757 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:17:59,757 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:59,757 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:59,757 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:59,757 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 13:17:59,757 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:59,757 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:59,758 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 13:17:59,760 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 13:17:59,763 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 13:17:59,808 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:17:59,808 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:17:59,809 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 13:17:59,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,809 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:59,810 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:59,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,814 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,814 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 13:17:59,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,815 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:59,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:59,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,816 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,816 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 13:17:59,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:17:59,817 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:17:59,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,818 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,818 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 13:17:59,818 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 13:17:59,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,818 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,819 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,819 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,819 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 13:17:59,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,820 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,820 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,821 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,821 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 13:17:59,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,822 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,822 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,824 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,825 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 13:17:59,825 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 13:17:59,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,826 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,826 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,826 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,827 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 13:17:59,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,827 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,828 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,828 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,829 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 13:17:59,829 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,829 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,829 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,830 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,832 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,832 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 13:17:59,833 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 13:17:59,833 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,834 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,834 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,834 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,835 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 13:17:59,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,835 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,836 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,836 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,837 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 13:17:59,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:17:59,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,837 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,838 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,840 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,841 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 13:17:59,841 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 13:17:59,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,841 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,842 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,842 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,843 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,843 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 13:17:59,843 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,844 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,844 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,845 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,846 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,846 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 13:17:59,846 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,846 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,846 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,847 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:17:59,847 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:17:59,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,852 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,852 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 13:17:59,853 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 13:17:59,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,853 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:59,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,854 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,855 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,856 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 13:17:59,856 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,856 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:59,856 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,856 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,856 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,858 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,860 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,860 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 13:17:59,860 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,861 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:17:59,861 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,861 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,862 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,870 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,871 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 13:17:59,871 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 13:17:59,871 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,871 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,872 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,873 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,873 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,874 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 13:17:59,874 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,874 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,875 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,878 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,879 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,879 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 13:17:59,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,880 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,880 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:17:59,881 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:17:59,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,898 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,898 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 13:17:59,899 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 13:17:59,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,899 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,900 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,900 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,900 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,902 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,902 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 13:17:59,903 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,903 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,903 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,904 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,907 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,907 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 13:17:59,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,908 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:17:59,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,908 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:17:59,909 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:17:59,909 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,913 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,913 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 13:17:59,914 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 13:17:59,914 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,914 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,915 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:59,915 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:59,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,918 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,919 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 13:17:59,919 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,919 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,920 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:59,921 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:59,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,928 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,928 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 13:17:59,929 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:17:59,929 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:17:59,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:17:59,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:17:59,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:17:59,929 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:17:59,930 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:17:59,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:17:59,938 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:17:59,982 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:17:59,982 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:17:59,982 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:17:59,982 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:17:59,982 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:17:59,982 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:17:59,982 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:17:59,982 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:17:59,982 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 13:17:59,982 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:17:59,982 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:17:59,983 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 13:17:59,988 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 13:17:59,990 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 13:17:59,995 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 13:18:00,036 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:18:00,036 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:00,048 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:18:00,048 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-10 13:18:00,073 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:18:00,073 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:00,093 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:18:00,093 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-5}, {ULTIMATE.start_main_~y~0=2}] Lambdas: [3, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:00,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:18:00,113 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:18:00,119 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:18:00,119 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:00,144 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:18:00,144 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2159f5d-47dd-4157-b071-fadf92492d01/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:00,172 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:18:00,172 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:18:12,206 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 13:18:12,209 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:18:12,209 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:18:12,209 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:18:12,209 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:18:12,210 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:18:12,210 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:18:12,210 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:18:12,210 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:18:12,210 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 13:18:12,210 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:18:12,210 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:18:12,211 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 13:18:12,213 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 13:18:12,218 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 13:18:12,231 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 13:18:12,283 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:18:12,283 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:18:12,283 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 13:18:12,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:18:12,284 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:18:12,284 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:18:12,291 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,291 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 13:18:12,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,292 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:18:12,292 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:18:12,293 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:18:12,295 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,295 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 13:18:12,296 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,296 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:18:12,296 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:18:12,296 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,296 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,297 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 13:18:12,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,297 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:18:12,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:18:12,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,298 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,298 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 13:18:12,298 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 13:18:12,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,299 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,300 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:18:12,300 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:18:12,306 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,306 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 13:18:12,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,306 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,307 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:18:12,307 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:18:12,313 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,313 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 13:18:12,313 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,313 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,314 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,314 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:18:12,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,314 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,315 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 13:18:12,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,315 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,315 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,316 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:18:12,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,316 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,316 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 13:18:12,316 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 13:18:12,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,317 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,318 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:12,318 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:12,334 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,335 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 13:18:12,335 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,336 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,337 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:12,337 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:12,342 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,343 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 13:18:12,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,343 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,343 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:12,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,344 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,344 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 13:18:12,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,345 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,345 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:12,345 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,346 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,346 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 13:18:12,346 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 13:18:12,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,346 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:12,348 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:18:12,348 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:18:12,368 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,368 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 13:18:12,368 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,369 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:12,370 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:18:12,370 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:18:12,377 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,377 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 13:18:12,378 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,378 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,378 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:12,378 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:18:12,379 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,380 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,380 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 13:18:12,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:18:12,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,381 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:12,381 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:18:12,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,381 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,381 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 13:18:12,382 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 13:18:12,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,383 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:12,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,383 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,384 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:18:12,384 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:18:12,419 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,419 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 13:18:12,420 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,420 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:12,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,420 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,421 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 13:18:12,421 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 13:18:12,430 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,430 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 13:18:12,430 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,430 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:12,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,431 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:18:12,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,432 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,432 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 13:18:12,432 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,432 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:12,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,433 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 13:18:12,433 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 13:18:12,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,433 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,433 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 13:18:12,434 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 13:18:12,434 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,434 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:18:12,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,434 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,436 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:12,436 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:12,582 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,582 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 13:18:12,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,583 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:18:12,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,583 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,584 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:12,584 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:12,614 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,615 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 13:18:12,615 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,615 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:18:12,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,616 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,616 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:12,616 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,617 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,617 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 13:18:12,618 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,618 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 13:18:12,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:12,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,618 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:12,619 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:12,619 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:12,619 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:12,619 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 13:18:12,620 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 13:18:12,620 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:12,620 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:12,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:12,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:12,621 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:12,624 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:18:12,624 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:18:13,490 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,490 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 13:18:13,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,491 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,491 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:13,494 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 13:18:13,494 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 13:18:13,547 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,548 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 13:18:13,548 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,548 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,549 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:13,550 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:18:13,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,551 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,551 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 13:18:13,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,552 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,552 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 13:18:13,553 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 13:18:13,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,554 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,554 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 13:18:13,554 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 13:18:13,555 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,555 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:13,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,555 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:13,557 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:13,557 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:13,583 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,583 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 13:18:13,583 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,583 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:13,584 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,584 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,584 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:13,585 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 13:18:13,585 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 13:18:13,599 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,600 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 13:18:13,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,600 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:13,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,601 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:13,601 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:13,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,603 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,603 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 13:18:13,603 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,603 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 13:18:13,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,604 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 13:18:13,604 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 13:18:13,604 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,605 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,605 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 13:18:13,606 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 13:18:13,606 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,606 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,607 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:18:13,609 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 13:18:13,609 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 13:18:13,840 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,840 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 13:18:13,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,841 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,841 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:18:13,843 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 13:18:13,843 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 13:18:13,872 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,872 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 13:18:13,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,872 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,873 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:18:13,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:18:13,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,875 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,875 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 13:18:13,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 13:18:13,875 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 13:18:13,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:18:13,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:18:13,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:18:13,876 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 13:18:13,876 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:18:13,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:18:13,877 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:18:13,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:18:13 BoogieIcfgContainer [2018-11-10 13:18:13,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 13:18:13,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:18:13,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:18:13,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:18:13,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:20" (3/4) ... [2018-11-10 13:18:13,886 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:18:13,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:18:13,887 INFO L168 Benchmark]: Toolchain (without parser) took 53921.39 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.2 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 186.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:13,888 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:13,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:13,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.60 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:13,889 INFO L168 Benchmark]: Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:13,889 INFO L168 Benchmark]: RCFGBuilder took 193.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:13,890 INFO L168 Benchmark]: BuchiAutomizer took 53537.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.4 MB). Peak memory consumption was 585.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:13,893 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:13,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 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 18.60 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53537.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.4 MB). Peak memory consumption was 585.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 53.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 234ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...