./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:15:47,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:15:47,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:15:47,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:15:47,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:15:47,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:15:47,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:15:47,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:15:47,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:15:47,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:15:47,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:15:47,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:15:47,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:15:47,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:15:47,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:15:47,361 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:15:47,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:15:47,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:15:47,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:15:47,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:15:47,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:15:47,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:15:47,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:15:47,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:15:47,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:15:47,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:15:47,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:15:47,369 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:15:47,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:15:47,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:15:47,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:15:47,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:15:47,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:15:47,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:15:47,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:15:47,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:15:47,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:15:47,381 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:15:47,381 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:15:47,382 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:15:47,382 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:15:47,382 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:15:47,382 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:15:47,382 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:15:47,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:15:47,383 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:15:47,384 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:15:47,385 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:15:47,385 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:15:47,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:15:47,385 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:15:47,385 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:15:47,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:15:47,386 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:15:47,386 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:15:47,386 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:15:47,386 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2018-11-28 13:15:47,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:15:47,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:15:47,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:15:47,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:15:47,423 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:15:47,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 13:15:47,467 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/data/341e48103/777af173bdcf46baa0a76cd581de3ade/FLAGcc6ec0cbd [2018-11-28 13:15:47,791 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:15:47,791 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 13:15:47,795 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/data/341e48103/777af173bdcf46baa0a76cd581de3ade/FLAGcc6ec0cbd [2018-11-28 13:15:47,806 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/data/341e48103/777af173bdcf46baa0a76cd581de3ade [2018-11-28 13:15:47,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:15:47,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:15:47,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:15:47,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:15:47,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:15:47,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee3dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47, skipping insertion in model container [2018-11-28 13:15:47,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:15:47,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:15:47,930 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:15:47,933 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:15:47,943 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:15:47,953 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:15:47,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47 WrapperNode [2018-11-28 13:15:47,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:15:47,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:15:47,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:15:47,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:15:47,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:15:47,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:15:47,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:15:47,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:15:47,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... [2018-11-28 13:15:47,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:15:47,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:15:47,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:15:47,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:15:47,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:15:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:15:48,160 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:15:48,160 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 13:15:48,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:48 BoogieIcfgContainer [2018-11-28 13:15:48,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:15:48,161 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:15:48,161 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:15:48,163 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:15:48,164 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:15:48,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:15:47" (1/3) ... [2018-11-28 13:15:48,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@512a4391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:15:48, skipping insertion in model container [2018-11-28 13:15:48,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:15:48,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:47" (2/3) ... [2018-11-28 13:15:48,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@512a4391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:15:48, skipping insertion in model container [2018-11-28 13:15:48,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:15:48,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:48" (3/3) ... [2018-11-28 13:15:48,166 INFO L375 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 13:15:48,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:15:48,200 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:15:48,201 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:15:48,201 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:15:48,201 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:15:48,201 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:15:48,201 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:15:48,201 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:15:48,201 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:15:48,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 13:15:48,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:48,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:15:48,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:15:48,224 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:15:48,224 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:15:48,225 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:15:48,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 13:15:48,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:48,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:15:48,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:15:48,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:15:48,226 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:15:48,232 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2018-11-28 13:15:48,233 INFO L796 eck$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 [2018-11-28 13:15:48,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:48,238 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 13:15:48,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:48,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:48,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:48,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:48,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:48,301 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2018-11-28 13:15:48,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:48,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:48,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:48,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:48,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:48,319 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2018-11-28 13:15:48,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:48,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:48,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:48,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:48,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:48,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-28 13:15:48,434 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:48,435 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:48,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:48,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:48,435 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:15:48,435 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:48,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:48,435 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:48,435 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:15:48,436 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:48,436 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:48,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:48,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:48,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:48,585 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:48,586 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:48,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:48,598 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:48,629 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:15:48,629 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:49,329 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:15:49,331 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:49,331 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:49,331 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:49,331 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:49,331 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:15:49,331 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:49,331 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:49,331 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:49,331 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:15:49,331 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:49,331 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:49,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,400 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:49,403 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:15:49,404 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,405 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,405 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,405 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:49,407 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:49,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,414 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:49,415 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,417 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,417 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,418 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:49,418 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:49,418 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,419 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:15:49,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,421 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,422 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:49,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,431 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,432 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:49,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,435 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,436 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,436 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:49,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,438 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:15:49,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,439 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,440 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,450 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,450 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,451 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,452 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,453 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 13:15:49,453 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,457 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,458 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,459 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,460 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,460 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:15:49,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,462 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,464 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:49,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,473 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,473 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,475 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 13:15:49,475 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:49,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,477 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,477 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,478 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:49,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,479 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:15:49,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,480 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,480 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,481 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,482 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:49,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,495 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,495 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,495 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,497 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:49,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,505 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,506 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,506 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:49,507 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:49,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,508 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:15:49,508 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,509 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,509 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:49,509 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,510 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,511 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,528 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,528 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:49,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,529 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,529 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,531 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 13:15:49,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,542 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,542 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,543 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,543 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:49,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,543 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,548 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:15:49,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,549 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,550 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,551 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:49,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,570 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,570 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,571 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,571 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,573 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 13:15:49,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,588 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,588 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,588 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:49,591 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:49,591 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,592 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,593 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:15:49,593 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,593 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,593 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,594 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,597 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,597 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,604 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,605 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,606 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,606 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,607 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 13:15:49,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,611 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,611 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:49,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,611 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:49,611 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:49,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,613 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:15:49,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,613 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,614 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,614 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:49,615 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:49,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,633 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,633 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,633 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:15:49,634 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:49,635 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:15:49,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:49,641 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:49,642 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:49,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:49,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:49,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:49,642 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:49,643 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:49,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:49,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:49,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:15:49,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:15:49,659 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-11-28 13:15:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:49,669 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-11-28 13:15:49,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:15:49,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2018-11-28 13:15:49,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:49,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2018-11-28 13:15:49,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-28 13:15:49,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-11-28 13:15:49,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2018-11-28 13:15:49,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:15:49,678 INFO L705 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 13:15:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2018-11-28 13:15:49,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-11-28 13:15:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 13:15:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2018-11-28 13:15:49,695 INFO L728 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 13:15:49,695 INFO L608 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 13:15:49,695 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:15:49,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2018-11-28 13:15:49,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:49,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:15:49,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:15:49,696 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:15:49,696 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:15:49,696 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2018-11-28 13:15:49,696 INFO L796 eck$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 [2018-11-28 13:15:49,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:49,697 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-28 13:15:49,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:49,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:49,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:49,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:49,701 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2018-11-28 13:15:49,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:49,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:49,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,702 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:15:49,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:49,708 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2018-11-28 13:15:49,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:49,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:49,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:49,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:49,741 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:49,741 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:49,741 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:49,741 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:49,741 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:15:49,741 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:49,741 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:49,742 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:49,742 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:15:49,742 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:49,742 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:49,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:49,839 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:49,839 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:49,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:49,841 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:49,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:15:49,859 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:49,992 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:15:49,993 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:49,994 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:49,994 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:49,994 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:49,994 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:15:49,994 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:49,994 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:49,994 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:49,995 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:15:49,995 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:49,995 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:49,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,087 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:50,087 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:15:50,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,090 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,092 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,093 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,093 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,093 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,097 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,098 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,098 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,098 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:15:50,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,099 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,100 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,102 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,103 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,104 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,105 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,107 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,107 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,108 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:15:50,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,109 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,109 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,110 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,113 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,114 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,114 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,114 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,115 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,116 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,116 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,117 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,117 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:15:50,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,118 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,118 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,118 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,118 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,118 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,119 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,119 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,123 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,123 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,123 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,124 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,126 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,126 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,127 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:15:50,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,127 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,127 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,128 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,129 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,140 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,140 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,141 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,141 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,143 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,143 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,143 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,144 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,145 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:15:50,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,145 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,145 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,146 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,147 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,172 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,172 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,173 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,174 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,174 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,176 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,176 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,177 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,178 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:15:50,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,179 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,179 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,181 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,211 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,212 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,213 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,213 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,214 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,215 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,215 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,215 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,216 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,217 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:15:50,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,218 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,219 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,219 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,226 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,226 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,226 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,227 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,227 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,227 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,229 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,229 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,229 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,230 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,230 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,231 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,232 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:15:50,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,233 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,233 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:50,235 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:50,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,244 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,245 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,245 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,245 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,246 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:50,247 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:50,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,250 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,250 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,250 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:50,251 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:50,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,296 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:50,297 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:50,297 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:50,297 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:50,297 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:15:50,297 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,297 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:50,297 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:50,297 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-28 13:15:50,297 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:50,297 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:50,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,385 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:50,385 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:50,398 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:50,403 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:15:50,403 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,423 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:50,423 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:50,442 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:15:50,442 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:50,479 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:50,484 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:15:50,484 INFO L448 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_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,514 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:50,514 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:50,522 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:15:50,522 INFO L448 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_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,544 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:50,545 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 13:15:50,577 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:15:50,578 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,742 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:15:50,743 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:50,744 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:50,744 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:50,744 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:50,744 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:15:50,744 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:50,744 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:50,744 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:50,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-28 13:15:50,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:50,744 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:50,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:50,846 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:50,846 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:15:50,846 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,847 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,847 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,847 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,847 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,849 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,850 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:50,850 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:15:50,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,852 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,852 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,854 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,854 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,855 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,855 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,856 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:50,856 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:50,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,857 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:15:50,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,858 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,858 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,859 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,860 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,861 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:15:50,861 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:15:50,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,864 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,864 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,865 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,866 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,867 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,867 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,868 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,870 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:15:50,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,871 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,871 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,871 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,873 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,874 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:15:50,874 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:15:50,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,880 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,880 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,881 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,881 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,882 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,882 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,885 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,885 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:15:50,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,885 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,886 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,886 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,886 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,886 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,887 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,888 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,888 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,889 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:15:50,889 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:15:50,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,892 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,892 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,893 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,893 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,893 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,895 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,895 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,895 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,896 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,896 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:50,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,897 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,897 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,900 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:15:50,901 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,901 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,901 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,902 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,902 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,903 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,904 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,904 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,905 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 13:15:50,905 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 13:15:50,908 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,909 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,909 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,910 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,910 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,911 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,911 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,911 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,912 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,913 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,913 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,913 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:50,913 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,914 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:50,915 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:50,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,921 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:15:50,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,922 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,922 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,922 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,923 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,925 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,925 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,925 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,927 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:15:50,927 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:15:50,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,931 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,931 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,931 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,931 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,932 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,934 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,934 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,934 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,934 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,935 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,937 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,937 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:50,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,937 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:50,938 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:50,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,950 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:15:50,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,951 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,951 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,951 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,951 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,952 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,954 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,954 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,954 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,956 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 13:15:50,956 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 13:15:50,962 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,962 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,963 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,963 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,964 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,965 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,965 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,965 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,966 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,966 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,966 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,966 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,967 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:50,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:50,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:50,969 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:50,969 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:50,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:50,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:50,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:50,969 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:50,971 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:50,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,027 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,027 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:15:51,027 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,028 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,028 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,029 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,029 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,031 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,032 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,033 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 13:15:51,033 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 13:15:51,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,038 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,038 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,038 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,039 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,041 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,041 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,041 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,042 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,044 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,044 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,044 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,045 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,045 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,045 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,049 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:15:51,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,050 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,051 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,051 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,053 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,053 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,053 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,054 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,055 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 13:15:51,055 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 13:15:51,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,061 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,061 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,062 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,062 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,064 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,064 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,065 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,065 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,068 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,068 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,069 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,070 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,077 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 13:15:51,078 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-28 13:15:51,078 INFO L796 eck$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 [2018-11-28 13:15:51,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,078 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2018-11-28 13:15:51,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:51,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,084 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2018-11-28 13:15:51,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,085 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:15:51,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2018-11-28 13:15:51,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,090 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:15:51,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:51,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:51,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:15:51,156 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:51,157 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:51,157 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:51,157 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:51,157 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:15:51,157 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,157 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:51,157 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:51,157 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:15:51,157 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:51,157 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:51,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,246 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:51,246 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:51,250 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,275 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:15:51,275 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:51,400 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:15:51,402 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:51,402 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:51,402 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:51,402 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:51,402 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:15:51,402 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,402 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:51,402 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:51,402 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:15:51,403 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:51,403 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:51,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,493 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:51,494 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:15:51,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:51,495 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:51,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:51,499 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:51,500 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,500 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,501 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,501 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:51,501 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:51,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,501 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,501 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 13:15:51,502 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,502 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,502 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,503 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,505 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,505 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,505 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,505 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,506 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,507 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,507 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,507 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 13:15:51,507 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,508 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,508 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,508 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,511 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,511 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,512 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,512 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,513 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,513 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,513 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,513 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,513 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,514 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 13:15:51,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,515 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,515 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,518 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,518 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,518 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,519 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,519 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,520 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,520 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,520 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,521 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 13:15:51,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,521 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,521 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,521 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,522 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,522 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,522 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,527 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,528 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,528 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,528 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,528 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,529 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,530 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,530 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 13:15:51,530 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 13:15:51,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,531 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,531 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 13:15:51,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,531 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,531 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:51,532 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,532 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,533 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,533 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,544 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:51,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,545 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,547 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,547 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 13:15:51,547 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,547 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,548 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,548 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,548 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 13:15:51,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,549 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,550 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,551 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,566 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,567 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,567 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,567 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,567 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,568 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,569 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,569 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,570 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 13:15:51,570 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 13:15:51,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,571 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 13:15:51,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,572 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,572 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,572 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,572 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,573 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,577 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,577 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,577 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,577 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,579 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 13:15:51,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 13:15:51,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:15:51,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,581 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 13:15:51,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,581 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,582 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,582 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,583 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,590 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,590 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,590 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,590 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,591 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,591 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,592 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,593 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,593 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 13:15:51,593 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 13:15:51,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,593 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 13:15:51,594 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:15:51,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:15:51,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:15:51,596 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-11-28 13:15:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:51,657 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-11-28 13:15:51,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:15:51,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2018-11-28 13:15:51,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:51,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2018-11-28 13:15:51,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-28 13:15:51,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-11-28 13:15:51,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2018-11-28 13:15:51,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:15:51,660 INFO L705 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 13:15:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2018-11-28 13:15:51,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-11-28 13:15:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-28 13:15:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-11-28 13:15:51,665 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 13:15:51,665 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 13:15:51,665 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 13:15:51,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2018-11-28 13:15:51,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:15:51,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:15:51,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:15:51,666 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 13:15:51,666 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:15:51,666 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-11-28 13:15:51,666 INFO L796 eck$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 [2018-11-28 13:15:51,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,667 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-28 13:15:51,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,667 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:15:51,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,671 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2018-11-28 13:15:51,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:51,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:51,676 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2018-11-28 13:15:51,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:51,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:51,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:51,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:15:51,719 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:51,720 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:51,720 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:51,720 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:51,720 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:15:51,720 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,720 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:51,720 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:51,720 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 13:15:51,720 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:51,720 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:51,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,799 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:51,800 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,814 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:51,814 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:51,817 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:15:51,817 INFO L448 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_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,846 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:15:51,846 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0888af4-5fc7-40af-add1-c3beb34acfa1/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,882 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:15:51,882 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:15:51,910 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:15:51,911 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:15:51,912 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:15:51,912 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:15:51,912 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:15:51,912 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:15:51,912 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:15:51,912 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:15:51,912 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:15:51,912 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 13:15:51,912 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:15:51,912 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:15:51,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:15:51,988 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:15:51,989 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:15:51,989 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,989 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,990 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:51,990 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:51,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:15:51,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:15:51,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:15:51,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:15:51,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:15:51,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:15:51,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:15:51,993 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:15:51,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:15:51,995 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:15:51,996 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 13:15:51,996 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 13:15:51,998 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:15:51,998 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:15:51,998 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:15:51,998 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2018-11-28 13:15:51,999 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:15:52,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:52,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:52,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:52,050 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 [2018-11-28 13:15:52,051 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-11-28 13:15:52,069 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. [2018-11-28 13:15:52,069 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 [2018-11-28 13:15:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 13:15:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-11-28 13:15:52,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-11-28 13:15:52,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:15:52,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-28 13:15:52,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:15:52,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-28 13:15:52,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:15:52,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-11-28 13:15:52,073 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:15:52,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:15:52,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:15:52,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:15:52,074 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 13:15:52,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:15:52,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:15:52,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:15:52,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:15:52 BoogieIcfgContainer [2018-11-28 13:15:52,078 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:15:52,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:15:52,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:15:52,079 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:15:52,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:48" (3/4) ... [2018-11-28 13:15:52,081 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:15:52,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:15:52,082 INFO L168 Benchmark]: Toolchain (without parser) took 4272.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 252.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 153.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:52,083 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:52,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:52,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:52,083 INFO L168 Benchmark]: Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:52,084 INFO L168 Benchmark]: RCFGBuilder took 170.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:52,084 INFO L168 Benchmark]: BuchiAutomizer took 3917.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.9 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:52,085 INFO L168 Benchmark]: Witness Printer took 2.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:52,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 170.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3917.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.9 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 div266 bol100 ite112 ukn100 eq149 hnf58 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 8ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...