./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:29:59,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:29:59,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:29:59,454 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:29:59,454 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:29:59,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:29:59,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:29:59,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:29:59,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:29:59,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:29:59,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:29:59,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:29:59,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:29:59,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:29:59,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:29:59,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:29:59,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:29:59,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:29:59,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:29:59,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:29:59,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:29:59,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:29:59,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:29:59,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:29:59,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:29:59,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:29:59,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:29:59,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:29:59,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:29:59,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:29:59,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:29:59,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:29:59,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:29:59,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:29:59,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:29:59,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:29:59,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-18 09:29:59,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:29:59,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:29:59,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:29:59,487 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:29:59,487 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:29:59,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:29:59,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:29:59,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:29:59,489 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:29:59,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:29:59,490 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:29:59,490 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:29:59,490 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:29:59,491 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_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-11-18 09:29:59,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:29:59,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:29:59,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:29:59,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:29:59,528 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:29:59,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-18 09:29:59,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/data/01557d9d3/5ec528f700a14a22a0ff8e211efc83e0/FLAG542faaa12 [2018-11-18 09:29:59,959 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:29:59,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-18 09:29:59,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/data/01557d9d3/5ec528f700a14a22a0ff8e211efc83e0/FLAG542faaa12 [2018-11-18 09:29:59,972 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/bin-2019/uautomizer/data/01557d9d3/5ec528f700a14a22a0ff8e211efc83e0 [2018-11-18 09:29:59,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:29:59,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:29:59,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:29:59,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:29:59,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:29:59,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:29:59" (1/1) ... [2018-11-18 09:29:59,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:29:59, skipping insertion in model container [2018-11-18 09:29:59,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:29:59" (1/1) ... [2018-11-18 09:29:59,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:30:00,005 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:30:00,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:30:00,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:30:00,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:30:00,135 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:30:00,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00 WrapperNode [2018-11-18 09:30:00,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:30:00,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:30:00,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:30:00,136 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:30:00,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:30:00,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:30:00,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:30:00,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:30:00,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... [2018-11-18 09:30:00,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:30:00,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:30:00,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:30:00,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:30:00,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:30:00,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:30:00,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:30:00,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:00 BoogieIcfgContainer [2018-11-18 09:30:00,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:30:00,337 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:30:00,337 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:30:00,339 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:30:00,340 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:00,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:29:59" (1/3) ... [2018-11-18 09:30:00,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b3be866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:30:00, skipping insertion in model container [2018-11-18 09:30:00,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:00,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:00" (2/3) ... [2018-11-18 09:30:00,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b3be866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:30:00, skipping insertion in model container [2018-11-18 09:30:00,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:00,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:00" (3/3) ... [2018-11-18 09:30:00,343 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-18 09:30:00,378 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:30:00,378 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:30:00,379 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:30:00,379 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:30:00,379 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:30:00,379 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:30:00,379 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:30:00,379 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:30:00,379 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:30:00,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-18 09:30:00,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:30:00,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:30:00,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:30:00,406 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:30:00,406 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:30:00,406 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:30:00,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-18 09:30:00,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:30:00,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:30:00,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:30:00,407 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:30:00,407 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:30:00,412 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true [2018-11-18 09:30:00,412 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-3true [2018-11-18 09:30:00,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:00,416 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 09:30:00,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:00,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:00,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:00,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:00,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 09:30:00,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:00,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:00,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:00,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:00,499 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 09:30:00,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:00,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:00,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:00,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:00,571 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:00,572 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:00,572 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:00,572 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:00,572 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:30:00,572 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:00,572 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:00,572 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:00,572 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-18 09:30:00,573 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:00,573 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:00,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:00,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:00,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:00,773 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-18 09:30:00,926 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-18 09:30:00,931 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:00,931 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:00,939 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:00,939 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:00,944 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:00,944 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:00,959 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:00,959 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:00,978 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:30:00,978 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:01,066 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 09:30:01,067 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:01,067 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:01,067 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:01,067 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:01,067 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:30:01,067 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:01,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:01,068 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:01,068 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-18 09:30:01,068 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:01,068 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:01,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:01,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:01,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:01,313 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-18 09:30:01,315 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:01,319 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:30:01,320 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 [2018-11-18 09:30:01,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:01,324 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:01,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,326 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 [2018-11-18 09:30:01,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:01,328 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:01,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,329 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 [2018-11-18 09:30:01,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,330 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,330 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:01,349 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-18 09:30:01,349 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:30:01,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,474 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:30:01,474 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 [2018-11-18 09:30:01,475 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,475 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,475 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,475 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,476 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,476 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:01,476 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,477 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,477 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 [2018-11-18 09:30:01,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,478 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,478 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:01,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,479 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 [2018-11-18 09:30:01,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,480 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,480 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,494 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-18 09:30:01,494 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-18 09:30:01,573 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,573 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:30:01,573 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 [2018-11-18 09:30:01,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,574 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,575 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,575 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:01,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,576 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 [2018-11-18 09:30:01,576 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,576 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,577 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,577 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:01,577 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,578 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 [2018-11-18 09:30:01,579 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,579 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,593 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:01,593 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:01,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,667 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:30:01,667 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 [2018-11-18 09:30:01,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,668 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:01,668 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:01,669 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,669 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 [2018-11-18 09:30:01,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,670 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:01,671 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:01,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,672 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 [2018-11-18 09:30:01,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:01,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,672 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,673 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:01,685 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-18 09:30:01,685 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-18 09:30:01,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,777 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:30:01,778 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 [2018-11-18 09:30:01,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,779 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:01,779 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,779 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,779 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:01,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,781 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 [2018-11-18 09:30:01,781 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,781 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:01,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,781 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,782 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:01,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,783 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 [2018-11-18 09:30:01,783 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,783 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:01,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,783 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,784 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:01,793 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-18 09:30:01,793 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-18 09:30:01,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,867 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:30:01,868 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 [2018-11-18 09:30:01,868 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,868 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:01,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,869 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,870 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:01,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,872 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 [2018-11-18 09:30:01,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,872 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:01,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:01,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:01,873 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,874 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:01,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:01,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:01,877 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 [2018-11-18 09:30:01,878 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:01,878 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:01,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:01,878 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:01,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:01,890 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:01,890 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:02,092 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,092 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:30:02,093 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 [2018-11-18 09:30:02,094 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,094 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,094 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:02,095 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:02,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,096 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 [2018-11-18 09:30:02,097 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,097 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,097 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:02,098 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:02,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,099 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 [2018-11-18 09:30:02,099 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,099 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,100 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:02,100 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:02,113 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-18 09:30:02,114 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-18 09:30:02,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,304 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:30:02,304 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 [2018-11-18 09:30:02,304 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,305 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:02,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,305 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:02,306 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:02,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,307 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 [2018-11-18 09:30:02,307 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,307 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:02,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,308 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:02,308 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:02,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,309 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 [2018-11-18 09:30:02,310 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,310 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:02,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,310 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:02,310 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:02,316 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:02,316 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:02,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,375 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:30:02,375 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 [2018-11-18 09:30:02,376 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,376 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,377 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:02,377 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:02,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,378 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 [2018-11-18 09:30:02,379 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,379 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:02,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:02,379 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:02,380 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:02,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:02,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,382 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 [2018-11-18 09:30:02,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:02,383 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:02,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:02,383 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:02,383 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:02,392 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-18 09:30:02,392 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-18 09:30:02,488 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:02,488 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-18 09:30:02,489 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-3true [2018-11-18 09:30:02,489 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-3true [2018-11-18 09:30:02,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:02,489 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-18 09:30:02,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:02,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:02,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:02,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:02,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-18 09:30:02,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:02,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:02,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,497 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:30:02,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-18 09:30:02,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:02,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:02,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,502 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:30:02,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:02,552 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:02,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:02,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:02,552 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:02,552 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:30:02,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:02,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:02,553 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:02,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-18 09:30:02,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:02,553 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:02,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:02,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:02,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:02,757 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-18 09:30:02,758 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:02,758 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:02,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:02,760 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:02,762 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:02,762 INFO L448 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_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:02,778 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:02,778 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:02,780 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:02,780 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:02,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:02,796 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93c1f670-2d35-414a-9f5d-7e9e32815055/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 [2018-11-18 09:30:02,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:30:02,816 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:02,887 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 09:30:02,889 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:02,890 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:02,890 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:02,890 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:02,890 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:30:02,890 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:02,890 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:02,890 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:02,890 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-18 09:30:02,890 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:02,891 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:02,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:02,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:02,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:03,202 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-18 09:30:03,203 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:03,203 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:30:03,204 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 [2018-11-18 09:30:03,204 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,205 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:03,205 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:03,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,205 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,206 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 [2018-11-18 09:30:03,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,206 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,206 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:03,207 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:03,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,207 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 [2018-11-18 09:30:03,207 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,208 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,208 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:03,219 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-18 09:30:03,219 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:30:03,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,245 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:30:03,245 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 [2018-11-18 09:30:03,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,246 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,246 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:03,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,247 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 [2018-11-18 09:30:03,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,248 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,248 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:03,248 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,248 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 [2018-11-18 09:30:03,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,249 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,249 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,255 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-18 09:30:03,255 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-18 09:30:03,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,320 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:30:03,320 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 [2018-11-18 09:30:03,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,321 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,321 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,322 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 [2018-11-18 09:30:03,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,323 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,323 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,324 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 [2018-11-18 09:30:03,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,324 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,324 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,333 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:03,333 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:03,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,391 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:30:03,392 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 [2018-11-18 09:30:03,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,392 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,393 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:03,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,393 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,393 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 [2018-11-18 09:30:03,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,394 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,394 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,394 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:03,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,395 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 [2018-11-18 09:30:03,395 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:03,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,395 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,396 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,408 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-18 09:30:03,409 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-18 09:30:03,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,462 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:30:03,462 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 [2018-11-18 09:30:03,463 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,463 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,463 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,464 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:03,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,464 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 [2018-11-18 09:30:03,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,465 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,465 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:03,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,466 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 [2018-11-18 09:30:03,467 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,467 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,467 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,467 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:03,474 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-18 09:30:03,474 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-18 09:30:03,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,521 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:30:03,521 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 [2018-11-18 09:30:03,522 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,522 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:03,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,522 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,522 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,523 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 [2018-11-18 09:30:03,524 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,524 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:03,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,524 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,524 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,525 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,525 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,526 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 [2018-11-18 09:30:03,526 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,526 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:03,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,526 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,535 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:03,535 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:03,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,643 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:30:03,644 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 [2018-11-18 09:30:03,644 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,644 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,645 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,645 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:03,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,646 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,646 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 [2018-11-18 09:30:03,647 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,647 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,647 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,648 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:03,648 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,649 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 [2018-11-18 09:30:03,649 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,649 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,649 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,649 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:03,662 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-18 09:30:03,662 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-18 09:30:03,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,733 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:30:03,733 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 [2018-11-18 09:30:03,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,734 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,734 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,735 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,736 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 [2018-11-18 09:30:03,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,736 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,736 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,736 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,737 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:03,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,738 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 [2018-11-18 09:30:03,738 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,738 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:03,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,738 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,738 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:03,746 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-18 09:30:03,746 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-18 09:30:03,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,918 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:30:03,918 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 [2018-11-18 09:30:03,918 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,919 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,919 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:03,919 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:03,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,921 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 [2018-11-18 09:30:03,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:03,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:03,921 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:03,922 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:03,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:03,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:03,923 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 [2018-11-18 09:30:03,923 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:03,924 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:03,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:03,924 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-18 09:30:03,924 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:03,935 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-18 09:30:03,936 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-18 09:30:04,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:30:04 BoogieIcfgContainer [2018-11-18 09:30:04,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:30:04,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:30:04,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:30:04,676 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:30:04,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:00" (3/4) ... [2018-11-18 09:30:04,680 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:30:04,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:30:04,681 INFO L168 Benchmark]: Toolchain (without parser) took 4706.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -48.1 MB). Peak memory consumption was 274.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:30:04,682 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:30:04,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:30:04,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.81 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:30:04,683 INFO L168 Benchmark]: Boogie Preprocessor took 14.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:30:04,684 INFO L168 Benchmark]: RCFGBuilder took 159.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:30:04,684 INFO L168 Benchmark]: BuchiAutomizer took 4338.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 124.0 MB). Peak memory consumption was 510.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:30:04,685 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:30:04,687 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.81 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 159.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4338.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 124.0 MB). Peak memory consumption was 510.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.20 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp87 dnf214 smp81 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 747ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - 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~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...