./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:30,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:30,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:30,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:30,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:30,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:30,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:30,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:30,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:30,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:30,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:30,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:30,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:30,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:30,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:30,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:30,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:30,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:30,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:30,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:30,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:30,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:30,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:30,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:30,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:30,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:30,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:30,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:30,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:30,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:30,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:30,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:30,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:30,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:30,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:30,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:30,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:30,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:30,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:30,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:30,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:30,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:56:30,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:30,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:30,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:30,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:30,397 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:30,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:30,397 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:30,397 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:30,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:30,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:30,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:30,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:30,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:30,400 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:30,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:30,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:30,400 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:30,401 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:30,401 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2019-10-22 08:56:30,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:30,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:30,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:30,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:30,441 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:30,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-10-22 08:56:30,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/data/aa37f31a2/a7aa8b393a54451293868a70dad680f4/FLAG568707c45 [2019-10-22 08:56:30,874 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:30,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-10-22 08:56:30,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/data/aa37f31a2/a7aa8b393a54451293868a70dad680f4/FLAG568707c45 [2019-10-22 08:56:31,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/data/aa37f31a2/a7aa8b393a54451293868a70dad680f4 [2019-10-22 08:56:31,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:31,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:31,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:31,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:31,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:31,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,307 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:31,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:31,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,452 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:31,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,533 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:31,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31 WrapperNode [2019-10-22 08:56:31,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:31,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:31,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:31,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:31,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:31,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:31,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:31,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:31,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:31,776 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:31,776 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:56:31,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31 BoogieIcfgContainer [2019-10-22 08:56:31,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:31,778 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:31,778 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:31,782 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:31,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:31" (1/3) ... [2019-10-22 08:56:31,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d202d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (2/3) ... [2019-10-22 08:56:31,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d202d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/3) ... [2019-10-22 08:56:31,786 INFO L371 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-10-22 08:56:31,833 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:31,833 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:31,834 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:31,834 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:31,834 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:31,834 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:31,834 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:31,835 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:31,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:56:31,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:31,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,878 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:56:31,879 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:31,879 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:31,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:56:31,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:31,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,881 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:56:31,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:31,888 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2019-10-22 08:56:31,889 INFO L793 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2019-10-22 08:56:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,896 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:56:31,903 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526922990] [2019-10-22 08:56:31,904 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,904 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,010 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,012 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2019-10-22 08:56:32,012 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347897148] [2019-10-22 08:56:32,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,056 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,059 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2019-10-22 08:56:32,059 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030337191] [2019-10-22 08:56:32,060 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030337191] [2019-10-22 08:56:32,121 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,121 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 08:56:32,122 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011506193] [2019-10-22 08:56:32,224 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:32,225 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:32,225 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:32,226 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:32,226 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:32,226 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,226 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:32,226 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:32,227 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-10-22 08:56:32,227 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:32,227 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:32,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,395 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2019-10-22 08:56:32,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:32,433 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,449 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:32,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,467 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,014 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:33,016 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:33,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:33,016 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:33,016 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:33,016 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:33,016 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,016 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:33,016 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:33,016 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-10-22 08:56:33,016 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:33,016 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:33,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,123 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:33,127 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:33,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,130 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,130 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,131 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,131 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,131 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:33,133 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:33,133 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,142 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,142 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,142 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,142 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,143 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:33,143 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,144 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,146 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,146 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,146 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,146 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,147 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:33,147 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:33,147 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,148 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:56:33,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,150 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,150 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,150 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,150 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,150 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,151 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:33,151 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,162 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,163 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,163 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,163 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,163 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,164 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:33,164 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,166 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,166 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,167 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,167 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,167 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,167 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:33,168 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,169 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:56:33,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,170 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,170 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,170 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,170 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,172 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,172 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,186 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,186 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,186 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,186 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,187 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,188 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 08:56:33,188 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,190 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,191 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,191 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,191 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,191 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,192 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,192 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,193 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:56:33,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,194 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,194 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,194 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,194 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,196 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:33,196 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,211 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,212 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,212 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,212 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,212 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,213 INFO L400 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-10-22 08:56:33,214 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,216 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:33,216 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,216 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,216 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,216 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,217 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:33,217 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,219 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:56:33,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,220 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,220 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,220 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,220 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,220 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,221 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,222 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:33,223 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,245 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,245 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,245 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,245 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,245 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,245 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,247 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:33,247 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,270 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,274 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,274 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,275 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,275 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,275 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:33,276 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:33,276 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,283 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:56:33,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,284 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,284 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:33,284 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,285 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,285 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,285 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,287 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,288 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,329 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,329 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:33,329 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,329 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,330 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,330 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,332 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 08:56:33,332 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,348 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,348 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:33,348 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,348 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,348 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,348 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,350 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,350 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,359 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:56:33,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,360 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,360 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,360 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,361 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,361 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,361 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,368 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:33,368 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,411 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,411 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,412 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,412 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,412 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,412 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,423 INFO L400 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-10-22 08:56:33,424 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,445 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,445 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,445 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,445 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,445 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,445 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:33,447 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:33,447 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,448 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:56:33,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,449 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,449 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,449 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,450 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,450 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,450 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,454 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,454 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,476 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,476 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,477 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,477 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,477 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,477 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,486 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 08:56:33,486 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,491 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,491 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:33,492 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,492 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,492 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,492 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:33,492 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:33,493 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,500 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:56:33,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,501 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,501 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,501 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,501 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,501 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,501 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:33,503 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:33,503 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,524 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,525 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,525 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,525 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,525 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:33,525 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:33,529 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:56:33,529 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:33,538 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:33,538 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:33,538 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:33,538 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:33,538 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:33,538 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:33,539 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:33,539 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:33,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:33,547 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:33,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:33,564 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-10-22 08:56:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,575 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-10-22 08:56:33,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:33,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2019-10-22 08:56:33,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:33,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2019-10-22 08:56:33,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-10-22 08:56:33,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-10-22 08:56:33,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2019-10-22 08:56:33,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:33,582 INFO L688 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-10-22 08:56:33,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2019-10-22 08:56:33,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-10-22 08:56:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:56:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2019-10-22 08:56:33,610 INFO L711 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-10-22 08:56:33,610 INFO L591 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-10-22 08:56:33,610 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:33,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2019-10-22 08:56:33,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:33,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:33,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:33,611 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:56:33,611 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:33,612 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2019-10-22 08:56:33,612 INFO L793 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-10-22 08:56:33,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,612 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-10-22 08:56:33,612 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,613 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001926582] [2019-10-22 08:56:33,613 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,613 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,617 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,617 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2019-10-22 08:56:33,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128815454] [2019-10-22 08:56:33,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,641 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2019-10-22 08:56:33,645 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136626726] [2019-10-22 08:56:33,645 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,645 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:33,654 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:33,679 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:33,679 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:33,679 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:33,679 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:33,679 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:33,679 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,679 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:33,679 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:33,679 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-10-22 08:56:33,680 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:33,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:33,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,790 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:33,790 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:33,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:33,796 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:33,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:33,806 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,973 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:33,975 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:33,975 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:33,975 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:33,975 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:33,975 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:33,975 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,975 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:33,976 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:33,976 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-10-22 08:56:33,976 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:33,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:33,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,065 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:34,065 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:34,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,066 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,066 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,066 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,066 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,067 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,067 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,067 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,070 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,071 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,071 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,071 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,071 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,071 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,071 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,073 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,073 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,073 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,073 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,073 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,073 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,074 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,074 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:56:34,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,075 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,075 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,075 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,075 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,076 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,076 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,076 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,080 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,080 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,081 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,081 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,081 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,081 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,081 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,083 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,083 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,083 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,083 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,083 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,084 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,084 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,084 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:56:34,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,085 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,085 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,085 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,085 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,086 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,086 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,086 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,091 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,091 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,091 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,092 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,092 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,092 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,092 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,093 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,094 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,094 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,094 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,094 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,094 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,095 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,095 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:56:34,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,096 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,096 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,096 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,096 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,096 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,097 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,097 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,103 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,103 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,103 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,103 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,103 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,104 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,104 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,105 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,105 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,105 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,106 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,106 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,106 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,106 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,107 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:56:34,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,108 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,108 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,108 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,108 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,108 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,108 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,109 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,110 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,122 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,122 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,122 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,123 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,123 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,123 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,123 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,123 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,125 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,125 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,125 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,125 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,125 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,125 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,126 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,126 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,127 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:56:34,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,127 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,128 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,128 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,128 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,128 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,128 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,129 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,129 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,157 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,158 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,158 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,158 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,158 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,158 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,159 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,159 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,161 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,161 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,161 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,162 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,162 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,162 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,163 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,163 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,164 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:56:34,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,165 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,165 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,165 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,165 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,165 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,166 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,167 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,168 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,239 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,239 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,239 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,239 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,239 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,239 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,240 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,240 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,243 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,243 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,243 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,243 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,243 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,243 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,244 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,244 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,245 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:56:34,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,246 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,246 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,247 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,247 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,247 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,247 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,248 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,248 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,255 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,255 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,256 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,256 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,256 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,256 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,256 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,257 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,259 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,259 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,259 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,259 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,260 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,260 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,260 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,260 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,262 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:56:34,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,263 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,263 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,263 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,263 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,263 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,264 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:34,265 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,265 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,285 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,285 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,285 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,285 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,286 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,286 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:34,286 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,286 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,290 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,290 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,290 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,290 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,290 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,291 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:34,291 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,291 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,300 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:34,300 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:34,300 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:34,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:34,300 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:34,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,301 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:34,301 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:34,301 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-10-22 08:56:34,301 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:34,301 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:34,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,402 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:34,402 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:34,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:34,414 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:34,414 INFO L440 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_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:34,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:34,421 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:34,424 INFO L440 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_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:34,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:34,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:34,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:34,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:34,452 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,457 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:34,457 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:34,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:34,467 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:34,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:34,613 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:34,615 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:34,615 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:34,615 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:34,615 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:34,615 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:34,615 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:34,615 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:34,615 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:34,615 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-10-22 08:56:34,615 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:34,616 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:34,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:34,816 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:34,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,817 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,817 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,817 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,818 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,818 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,818 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,818 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,819 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,820 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,820 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,820 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,821 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,821 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,824 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,824 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,824 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,825 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,825 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,825 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,825 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,827 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,827 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,827 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,827 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,827 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,827 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,828 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,829 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,829 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,829 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,829 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,829 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,830 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,830 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,833 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:56:34,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,833 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,833 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,834 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,834 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,834 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,834 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,834 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,835 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,835 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,836 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,836 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,837 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:56:34,837 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:56:34,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,839 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,839 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,840 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,840 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,840 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,840 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,841 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,841 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,842 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,842 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,842 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,842 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,843 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,844 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,844 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,844 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,844 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,844 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,845 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,845 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,877 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:56:34,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,877 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,877 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,878 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,878 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,878 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,880 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,880 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,881 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,881 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,881 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,882 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,882 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:56:34,883 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:56:34,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,885 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,885 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,886 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,886 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,886 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,886 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,897 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,898 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,898 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,898 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,898 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,899 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,899 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,899 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,900 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,900 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,900 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,900 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,900 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,901 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,901 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,906 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:56:34,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,906 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,907 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,907 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,907 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,907 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,907 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,907 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,908 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,908 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,909 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,909 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,910 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:56:34,910 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:56:34,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,918 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,919 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,920 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,920 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,920 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,920 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,920 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,921 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,921 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,922 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,922 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,922 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,922 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,922 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,923 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,923 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,923 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,923 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,924 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,924 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,924 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,928 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:56:34,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,928 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,929 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,929 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,929 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,929 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,929 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,929 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,929 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,937 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,937 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,938 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,938 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,938 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,939 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:56:34,939 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:56:34,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,942 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,942 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,942 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,942 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,943 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,943 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,943 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,943 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,944 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,944 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,944 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,944 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,944 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,945 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,945 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,945 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,947 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,947 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:34,947 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,947 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,947 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,947 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:34,948 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:34,948 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,957 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:56:34,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,958 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,958 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,958 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,958 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,958 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,958 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,959 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,959 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,960 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,960 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,960 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,961 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,961 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,962 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:56:34,962 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:56:34,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,967 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,967 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,967 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,967 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,967 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,967 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,968 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,968 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,969 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,969 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,970 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,970 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,970 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,970 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,971 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,971 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,972 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,973 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:34,973 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,973 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,973 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,973 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:34,974 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:34,974 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,993 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:56:34,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,993 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,993 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,994 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,994 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,996 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:34,996 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,997 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:34,997 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:34,997 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,997 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,998 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:34,999 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:56:34,999 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:56:35,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,007 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,007 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,007 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,007 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,007 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,007 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,008 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,008 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,009 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,009 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,010 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,010 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,010 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,010 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,012 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,012 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,013 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,014 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,014 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,014 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,014 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,014 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,015 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,015 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,075 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:56:35,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,075 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,075 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,075 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,076 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,076 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,076 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,076 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,076 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,078 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,078 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,079 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,079 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,079 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,080 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:56:35,080 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:56:35,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,084 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,084 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,084 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,084 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,084 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,085 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,085 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,085 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,087 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,087 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,087 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,087 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,087 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,087 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,087 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,088 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,089 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,089 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,089 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,090 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,090 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,090 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,091 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,091 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,105 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:56:35,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,105 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,105 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,106 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,106 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,106 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,106 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,106 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,106 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,108 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,108 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,109 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,109 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,109 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,110 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:56:35,110 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:56:35,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,116 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,116 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,116 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,116 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,116 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,116 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,117 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,117 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,119 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,120 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,120 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,120 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,120 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,120 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,120 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,121 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,123 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,123 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,123 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,123 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,123 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,124 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,124 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,125 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,143 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-10-22 08:56:35,143 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-10-22 08:56:35,143 INFO L793 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-10-22 08:56:35,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,143 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2019-10-22 08:56:35,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299335689] [2019-10-22 08:56:35,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,154 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,154 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2019-10-22 08:56:35,154 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513691421] [2019-10-22 08:56:35,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,155 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,162 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2019-10-22 08:56:35,162 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365170356] [2019-10-22 08:56:35,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:35,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365170356] [2019-10-22 08:56:35,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:35,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:35,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159580702] [2019-10-22 08:56:35,235 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:35,235 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:35,235 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:35,236 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:35,236 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:35,236 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,236 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:35,236 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:35,236 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-10-22 08:56:35,236 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:35,236 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:35,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,338 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:35,338 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:35,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:35,347 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:35,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:35,367 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,502 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:35,505 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:35,505 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:35,505 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:35,505 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:35,505 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:35,505 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,505 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:35,505 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:35,505 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-10-22 08:56:35,505 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:35,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:35,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,596 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:35,596 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:35,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,597 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,597 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,597 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,598 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,598 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:35,598 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:35,598 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,601 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,601 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,601 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,601 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,601 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:35,601 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:35,602 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,603 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,603 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,603 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,603 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,603 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:35,604 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:35,604 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,604 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:56:35,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,605 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,605 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,605 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,605 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,605 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,606 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,606 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,609 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,609 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,609 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,609 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,609 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,609 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,610 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,611 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,611 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,611 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,611 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,611 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,612 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,612 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,612 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:56:35,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,613 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,613 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,613 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,613 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,613 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,614 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,614 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,618 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,618 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,618 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,618 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,618 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,618 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,618 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,620 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,620 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,620 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,620 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,620 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,620 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,620 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,621 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:56:35,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,621 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,622 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,622 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,622 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,622 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,623 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,623 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,627 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,627 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,627 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,627 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,627 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,628 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,628 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,629 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:35,629 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,629 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,630 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,630 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,630 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,630 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,631 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:56:35,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,631 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,631 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,631 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,632 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,632 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,632 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,632 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,632 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,640 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,640 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,640 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,640 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,640 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,640 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,641 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,641 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,642 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,642 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,643 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,643 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,643 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,643 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:56:35,643 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:56:35,643 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,644 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:56:35,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,645 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,645 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:35,645 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,645 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,645 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,645 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,647 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,647 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,662 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,662 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:35,662 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,662 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,663 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,663 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,663 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,663 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,665 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,665 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:56:35,665 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,665 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,665 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,665 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,666 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,667 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,668 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:56:35,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,668 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,668 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,669 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,669 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,669 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,669 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,671 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,671 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,708 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,709 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,709 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,709 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,709 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,709 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,710 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,710 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,712 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,712 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,712 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,712 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,712 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,712 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:56:35,713 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:56:35,713 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,714 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:56:35,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,715 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,715 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,715 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,715 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,715 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,715 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,716 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,716 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,721 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,721 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,721 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,721 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,721 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,721 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,722 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,722 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,724 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,724 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:56:35,724 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,724 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,724 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,724 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:56:35,725 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:56:35,725 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,726 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:56:35,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,727 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,727 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,727 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,727 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,727 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,727 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,728 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,728 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,738 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,738 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,738 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,739 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,739 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,739 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,739 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,739 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:35,742 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:56:35,742 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:56:35,742 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:35,742 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:35,742 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:35,743 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:56:35,743 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:35,743 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:35,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:35,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:35,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:35,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:35,746 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-10-22 08:56:35,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:35,763 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-10-22 08:56:35,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:35,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2019-10-22 08:56:35,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:35,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2019-10-22 08:56:35,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-10-22 08:56:35,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-10-22 08:56:35,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2019-10-22 08:56:35,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:35,765 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-10-22 08:56:35,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2019-10-22 08:56:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-10-22 08:56:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-10-22 08:56:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-10-22 08:56:35,766 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-10-22 08:56:35,766 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-10-22 08:56:35,766 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:56:35,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2019-10-22 08:56:35,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:35,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:35,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:35,767 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:35,767 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:35,767 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-10-22 08:56:35,767 INFO L793 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-10-22 08:56:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,768 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-10-22 08:56:35,768 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941091052] [2019-10-22 08:56:35,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,778 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,778 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2019-10-22 08:56:35,778 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983051769] [2019-10-22 08:56:35,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,785 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:35,786 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2019-10-22 08:56:35,786 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:35,786 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523953725] [2019-10-22 08:56:35,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:35,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,793 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:35,815 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:35,816 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:35,816 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:35,816 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:35,816 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:35,816 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,816 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:35,816 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:35,816 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-10-22 08:56:35,816 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:35,816 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:35,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:35,905 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:35,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:35,916 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,920 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:35,920 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:35,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:35,927 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0e92f48-4b2b-4407-93de-70e90b47295e/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:35,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:35,940 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,949 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:35,950 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:35,951 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:35,951 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:35,951 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:35,951 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:35,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:35,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:35,951 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:35,951 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-10-22 08:56:35,951 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:35,951 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:35,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:35,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:36,037 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:36,037 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:36,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:36,038 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:36,038 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:36,038 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:36,038 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:36,038 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:36,039 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:36,039 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:36,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:36,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:36,040 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:36,040 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:36,040 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:36,040 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:36,040 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:36,040 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:36,041 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:36,042 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:36,049 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:56:36,050 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:56:36,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:36,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:56:36,051 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:36,052 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2019-10-22 08:56:36,055 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:56:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:36,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:36,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:36,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:36,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:36,109 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:56:36,110 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-10-22 08:56:36,138 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2019-10-22 08:56:36,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:56:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:56:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-10-22 08:56:36,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2019-10-22 08:56:36,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2019-10-22 08:56:36,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2019-10-22 08:56:36,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:36,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-10-22 08:56:36,143 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:36,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:36,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:36,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:36,144 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-10-22 08:56:36,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:36,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:36,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:36,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:36 BoogieIcfgContainer [2019-10-22 08:56:36,151 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:36,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:36,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:36,151 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:36,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/4) ... [2019-10-22 08:56:36,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:36,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:36,156 INFO L168 Benchmark]: Toolchain (without parser) took 4862.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 948.5 MB in the beginning and 965.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,157 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:36,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:36,159 INFO L168 Benchmark]: Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:36,161 INFO L168 Benchmark]: RCFGBuilder took 193.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,161 INFO L168 Benchmark]: BuchiAutomizer took 4373.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 965.7 MB in the end (delta: 159.0 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,162 INFO L168 Benchmark]: Witness Printer took 4.08 ms. Allocated memory is still 1.3 GB. Free memory is still 965.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:36,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4373.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 965.7 MB in the end (delta: 159.0 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.08 ms. Allocated memory is still 1.3 GB. Free memory is still 965.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div257 bol100 ite112 ukn100 eq150 hnf59 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 12ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...