./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:59:50,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:59:50,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:59:50,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:59:50,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:59:50,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:59:50,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:59:50,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:59:51,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:59:51,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:59:51,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:59:51,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:59:51,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:59:51,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:59:51,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:59:51,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:59:51,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:59:51,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:59:51,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:59:51,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:59:51,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:59:51,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:59:51,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:59:51,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:59:51,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:59:51,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:59:51,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:59:51,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:59:51,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:59:51,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:59:51,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:59:51,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:59:51,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:59:51,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:59:51,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:59:51,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:59:51,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:59:51,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:59:51,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:59:51,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:59:51,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:59:51,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 20:59:51,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:59:51,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:59:51,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:59:51,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:59:51,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:59:51,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:59:51,072 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:59:51,072 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:59:51,072 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:59:51,072 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:59:51,073 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:59:51,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:59:51,073 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:59:51,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:59:51,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:59:51,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:59:51,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:59:51,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:59:51,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:59:51,075 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:59:51,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:59:51,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:59:51,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:59:51,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:59:51,076 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:59:51,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:59:51,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:59:51,077 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:59:51,077 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:59:51,078 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2019-11-15 20:59:51,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:59:51,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:59:51,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:59:51,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:59:51,145 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:59:51,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-11-15 20:59:51,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/data/069b38aff/013f18bb8feb4323aab8ee79948ad3fa/FLAGff9b5420b [2019-11-15 20:59:51,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:59:51,632 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-11-15 20:59:51,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/data/069b38aff/013f18bb8feb4323aab8ee79948ad3fa/FLAGff9b5420b [2019-11-15 20:59:52,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/data/069b38aff/013f18bb8feb4323aab8ee79948ad3fa [2019-11-15 20:59:52,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:59:52,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:59:52,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:59:52,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:59:52,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:59:52,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70838e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52, skipping insertion in model container [2019-11-15 20:59:52,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:59:52,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:59:52,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:59:52,366 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:59:52,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:59:52,401 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:59:52,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52 WrapperNode [2019-11-15 20:59:52,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:59:52,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:59:52,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:59:52,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:59:52,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:59:52,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:59:52,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:59:52,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:59:52,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... [2019-11-15 20:59:52,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:59:52,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:59:52,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:59:52,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:59:52,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:59:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:59:52,679 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:59:52,679 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 20:59:52,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:59:52 BoogieIcfgContainer [2019-11-15 20:59:52,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:59:52,680 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:59:52,681 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:59:52,684 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:59:52,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:59:52,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:59:52" (1/3) ... [2019-11-15 20:59:52,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54b73591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:59:52, skipping insertion in model container [2019-11-15 20:59:52,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:59:52,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:59:52" (2/3) ... [2019-11-15 20:59:52,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54b73591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:59:52, skipping insertion in model container [2019-11-15 20:59:52,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:59:52,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:59:52" (3/3) ... [2019-11-15 20:59:52,689 INFO L371 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-11-15 20:59:52,736 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:59:52,736 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:59:52,736 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:59:52,736 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:59:52,736 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:59:52,737 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:59:52,737 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:59:52,737 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:59:52,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 20:59:52,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:52,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:59:52,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:59:52,780 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:59:52,780 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 20:59:52,780 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:59:52,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 20:59:52,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:52,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:59:52,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:59:52,782 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:59:52,782 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 20:59:52,790 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2019-11-15 20:59:52,791 INFO L793 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2019-11-15 20:59:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:52,797 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 20:59:52,805 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:52,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920644032] [2019-11-15 20:59:52,806 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,806 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:52,906 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:52,908 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2019-11-15 20:59:52,908 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:52,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925585341] [2019-11-15 20:59:52,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:52,942 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:52,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2019-11-15 20:59:52,944 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:52,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815992037] [2019-11-15 20:59:52,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:52,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:59:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:59:53,029 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815992037] [2019-11-15 20:59:53,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:59:53,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-15 20:59:53,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130341154] [2019-11-15 20:59:53,206 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:53,206 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:53,207 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:53,207 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:53,207 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:59:53,207 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:53,207 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:53,208 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:53,208 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-11-15 20:59:53,208 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:53,208 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:53,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:53,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:53,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:53,402 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:53,403 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:53,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:53,410 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:53,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:59:53,428 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:54,070 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:59:54,072 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:54,072 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:54,072 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:54,072 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:54,072 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:59:54,072 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:54,072 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:54,072 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:54,072 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-11-15 20:59:54,073 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:54,073 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:54,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:54,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:54,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:54,221 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:54,226 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:59:54,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,229 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,229 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,230 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,230 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,230 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:54,232 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:54,232 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,242 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,242 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,242 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,243 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,243 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:54,244 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,244 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,247 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,247 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,247 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,247 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,247 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:54,248 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:54,248 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,250 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:59:54,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,251 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,251 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,252 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,252 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,252 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,253 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:54,254 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,267 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,267 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,267 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,267 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,267 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,268 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:54,268 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,271 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,271 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,272 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,272 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,272 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,273 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:54,273 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,274 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:59:54,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,275 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,275 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,276 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,276 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,276 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,278 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,278 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,299 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,300 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,300 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,300 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,300 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,302 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 20:59:54,302 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,306 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,306 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,306 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,306 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,306 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,307 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,308 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,309 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:59:54,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,311 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,326 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,326 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,327 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,327 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,329 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:54,329 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,356 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,357 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,357 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,358 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,358 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,358 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,360 INFO L400 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-15 20:59:54,360 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,366 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:54,367 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,367 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,367 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,367 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,369 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:54,369 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,385 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:59:54,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,387 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,387 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,387 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,387 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,387 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,388 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,391 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:54,392 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,444 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,449 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,450 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,450 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,450 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,451 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,454 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:54,454 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,485 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,494 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,494 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,494 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,495 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,495 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:54,497 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:54,497 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,500 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:59:54,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,502 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,502 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:54,502 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,502 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,502 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,503 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,508 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,508 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,573 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,573 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:54,573 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,573 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,573 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,574 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,580 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 20:59:54,580 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,600 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,600 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:54,600 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,600 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,600 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,601 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,603 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,603 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,607 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:59:54,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,608 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,609 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,609 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,609 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,609 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,609 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,613 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:54,614 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,668 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,669 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,669 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,669 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,669 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,669 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,674 INFO L400 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-15 20:59:54,674 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,693 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,693 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,694 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,694 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,694 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,694 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:54,696 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:54,697 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,698 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:59:54,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,699 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,699 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,700 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,700 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,700 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,700 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,701 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,702 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,724 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,724 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,724 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,724 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,724 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,724 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,725 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 20:59:54,725 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,746 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,746 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:54,746 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,746 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,746 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,747 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:54,747 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:54,747 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,750 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:59:54,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,751 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,751 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,751 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,752 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,752 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,752 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:54,754 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:54,763 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,794 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,794 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,794 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,794 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,794 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 20:59:54,794 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:54,796 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:59:54,796 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:54,815 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:54,816 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:54,817 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:54,819 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:54,819 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:54,820 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:54,822 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:54,825 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:54,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:54,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:59:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:59:54,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:59:54,847 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-11-15 20:59:54,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:59:54,856 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-11-15 20:59:54,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:59:54,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2019-11-15 20:59:54,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:54,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2019-11-15 20:59:54,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-15 20:59:54,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-15 20:59:54,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2019-11-15 20:59:54,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:59:54,864 INFO L688 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-11-15 20:59:54,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2019-11-15 20:59:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-11-15 20:59:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 20:59:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2019-11-15 20:59:54,887 INFO L711 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-11-15 20:59:54,887 INFO L591 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-11-15 20:59:54,887 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 20:59:54,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2019-11-15 20:59:54,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:54,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:59:54,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:59:54,888 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:59:54,889 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 20:59:54,889 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2019-11-15 20:59:54,889 INFO L793 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-11-15 20:59:54,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:54,890 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-11-15 20:59:54,890 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:54,890 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909116761] [2019-11-15 20:59:54,890 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,890 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,896 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2019-11-15 20:59:54,898 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:54,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178406718] [2019-11-15 20:59:54,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,909 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2019-11-15 20:59:54,910 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:54,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725337029] [2019-11-15 20:59:54,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:54,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:54,920 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:54,961 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:54,961 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:54,961 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:54,961 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:54,961 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:59:54,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:54,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:54,961 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:54,961 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-11-15 20:59:54,962 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:54,962 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:54,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:54,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:54,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,092 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:55,092 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:55,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:55,099 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:55,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:59:55,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:55,384 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:59:55,386 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:55,386 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:55,386 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:55,387 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:55,387 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:59:55,387 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:55,387 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:55,387 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:55,387 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-11-15 20:59:55,387 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:55,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:55,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,522 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:55,522 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:59:55,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,523 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,523 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,523 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,523 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,524 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:55,524 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:55,524 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,528 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,528 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,529 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,529 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,529 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:55,529 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:55,529 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,535 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,535 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,536 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,541 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,541 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:55,542 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:55,542 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,544 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:59:55,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,546 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,547 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,547 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,547 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,547 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,548 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,549 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,559 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,559 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,560 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,560 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,561 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,561 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,561 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,572 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,572 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,573 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,573 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,573 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,573 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,574 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,575 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:59:55,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,576 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,577 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,577 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,578 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,578 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,579 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,579 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,586 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,586 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,586 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,586 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,586 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,587 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,587 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,589 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,589 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,590 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,590 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,590 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,591 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,591 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,592 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:59:55,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,593 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,593 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,593 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,594 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,594 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,596 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,596 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,608 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,608 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,609 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,609 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,609 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,617 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,617 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,627 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:55,630 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,630 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,630 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,631 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,631 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,631 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,633 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:59:55,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,634 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,635 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,635 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,635 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,636 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,636 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,637 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,637 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,665 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,665 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,666 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,666 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,666 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,667 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,667 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,668 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,670 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,670 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,670 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,671 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,671 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,671 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:55,672 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:55,672 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,674 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:59:55,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,675 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,675 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:55,675 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,676 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,676 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,676 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,678 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,678 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,748 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,748 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:55,748 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,748 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,748 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,749 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,750 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,750 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,754 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,754 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:55,754 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,754 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,755 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,755 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,756 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,756 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,758 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:59:55,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,759 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,760 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,760 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,760 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,760 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,760 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,763 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,763 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,843 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,843 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,843 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,844 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,844 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,844 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,846 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,846 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,849 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,849 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,849 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,850 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,850 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,850 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:55,851 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:55,852 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,853 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:59:55,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,858 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,858 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,858 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,859 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,859 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,859 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,860 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,861 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,874 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,874 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,874 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,875 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,875 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,876 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,876 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,876 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,881 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,881 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:55,881 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,882 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,882 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,882 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:55,883 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:55,883 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,886 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:59:55,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,887 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,888 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,888 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,888 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,888 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,889 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:55,890 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:55,891 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,918 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,918 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,919 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,919 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,919 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,919 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:55,920 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:55,920 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:55,925 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:55,925 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:55,925 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:55,925 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:55,926 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:55,926 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:55,927 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:55,927 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:55,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:55,945 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:55,946 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:55,946 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:55,946 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:55,946 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:59:55,946 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:55,946 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:55,946 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:55,947 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-11-15 20:59:55,947 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:55,947 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:55,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:55,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,100 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2019-11-15 20:59:56,139 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:56,139 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:56,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:56,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:59:56,159 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:56,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:56,172 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:59:56,172 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:56,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:56,182 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:59:56,182 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:56,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:56,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:59:56,209 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:56,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:56,223 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:59:56,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:56,475 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:59:56,478 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:56,479 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:56,479 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:56,479 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:56,479 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:59:56,479 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:56,479 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:56,479 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:56,479 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-11-15 20:59:56,479 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:56,479 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:56,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:56,658 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:56,658 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:59:56,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,659 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,659 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,659 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,660 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,660 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:56,660 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:56,660 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,662 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,662 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,663 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,663 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:56,664 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:56,664 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:59:56,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,671 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,672 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,672 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,672 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,673 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:56,673 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:56,673 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,676 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,677 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,677 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,677 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,678 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:56,678 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:56,678 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,680 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,680 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,681 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,681 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,681 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:56,682 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:56,682 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,684 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:59:56,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,686 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,686 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,686 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,686 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,687 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,687 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,687 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,690 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,690 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,690 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,691 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,692 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:59:56,692 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:59:56,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,695 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,695 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,696 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,696 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,696 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,696 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,697 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,698 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,698 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,699 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,699 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,699 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,699 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,700 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,701 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,702 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,702 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,702 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,702 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,703 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,703 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,706 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:59:56,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,707 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,707 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,708 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,708 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,708 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,708 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,709 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,710 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,710 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,710 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,711 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,712 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:59:56,712 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:59:56,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,715 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,716 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,716 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,716 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,716 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,717 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,717 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,720 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,720 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,722 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,722 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,723 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,724 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,724 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,726 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,726 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,726 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,726 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,727 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,727 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,727 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,731 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:59:56,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,732 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,732 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,732 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,732 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,733 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,733 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,733 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,735 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,735 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,735 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,735 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,737 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:59:56,780 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:59:56,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,783 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,783 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,783 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,783 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,783 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,784 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,784 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,785 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,785 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,785 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,785 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,785 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,785 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,790 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:56,790 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,791 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,791 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,791 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,792 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,792 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,795 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:59:56,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,801 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,801 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,802 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,806 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,806 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,807 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,807 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,807 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,809 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,809 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,809 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,810 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,810 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,811 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:59:56,811 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:59:56,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,815 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,815 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,816 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,816 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,816 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,816 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,817 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,817 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,820 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,820 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,820 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,820 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,821 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,821 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,821 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,822 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,824 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,824 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,824 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,825 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,825 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,825 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:56,826 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:56,826 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,836 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:59:56,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,838 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,838 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:56,838 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,839 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,839 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,840 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,840 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,847 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,847 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:56,847 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,848 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,848 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,849 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:59:56,849 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:59:56,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,854 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,854 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:56,854 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,854 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,854 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,854 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,855 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,855 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,857 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,858 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:56,858 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,858 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,858 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,858 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,859 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,859 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,861 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,861 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:56,861 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,862 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,862 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,862 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,863 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,863 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,876 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:59:56,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,877 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,877 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,878 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,878 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,878 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,878 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,879 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,879 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,881 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,881 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,882 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,882 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,882 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,884 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:59:56,884 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:59:56,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,892 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,892 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,893 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,893 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,893 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,893 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,894 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,894 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,896 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,896 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,896 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,897 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,897 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,897 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,898 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,898 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,900 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,900 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,900 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,901 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,901 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,901 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:56,903 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:56,903 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,933 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:59:56,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,934 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,934 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,935 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,935 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,935 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,935 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,935 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,936 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,937 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,938 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,938 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,938 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,938 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,939 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:59:56,939 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:59:56,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,944 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,944 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,944 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,944 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,944 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,944 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,945 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,945 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,947 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,947 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,947 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,947 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,947 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,948 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,948 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,948 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,950 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,950 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:56,951 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,951 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,951 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,951 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:56,952 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:56,952 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,957 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:59:56,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,958 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,959 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,959 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,959 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,959 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,959 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:56,960 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:56,960 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,963 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,963 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,963 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,963 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,963 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:56,965 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 20:59:56,965 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 20:59:56,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,973 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,980 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,980 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,981 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,981 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,981 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:56,982 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:56,982 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,985 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,985 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,985 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,985 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,985 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,986 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:56,986 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:56,986 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:56,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:56,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:56,995 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:56,995 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:56,995 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:56,996 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:56,996 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:56,996 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:56,997 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:56,997 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,015 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 20:59:57,015 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-11-15 20:59:57,016 INFO L793 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-11-15 20:59:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,017 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2019-11-15 20:59:57,017 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370485214] [2019-11-15 20:59:57,017 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,018 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,033 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:57,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,034 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2019-11-15 20:59:57,034 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315815782] [2019-11-15 20:59:57,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,051 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:57,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2019-11-15 20:59:57,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251965216] [2019-11-15 20:59:57,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:59:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:59:57,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251965216] [2019-11-15 20:59:57,103 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:59:57,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:59:57,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989026938] [2019-11-15 20:59:57,133 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:57,133 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:57,133 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:57,133 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:57,134 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:59:57,134 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:57,134 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:57,134 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:57,134 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-11-15 20:59:57,134 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:57,134 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:57,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,231 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:57,231 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:57,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:57,243 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:57,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:59:57,268 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:57,468 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:59:57,470 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:57,470 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:57,470 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:57,470 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:57,470 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:59:57,470 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:57,470 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:57,470 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:57,471 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-11-15 20:59:57,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:57,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:57,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,577 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:57,577 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:59:57,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,578 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,578 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,578 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,578 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,578 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:57,579 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:57,579 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,581 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,582 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,582 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,582 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,582 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:57,582 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:57,583 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,584 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,584 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,584 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,584 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,584 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:57,585 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:57,585 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,585 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:59:57,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,586 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,587 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,587 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,587 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,587 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,587 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,588 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,591 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,591 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,591 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,591 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,592 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,592 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,592 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,593 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,594 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,594 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,594 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,594 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,594 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,595 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,595 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:59:57,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,596 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,596 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,597 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,597 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,597 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,598 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,598 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,602 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,602 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,602 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,602 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,602 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,603 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,603 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,604 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,605 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,605 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,605 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,605 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,606 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,606 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,606 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:59:57,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,607 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,607 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,608 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,608 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,608 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,609 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,609 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,613 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,613 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,614 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,614 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,614 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,614 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,615 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,616 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:57,616 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,617 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,617 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,617 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,617 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,617 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,618 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:59:57,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,619 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,619 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,619 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,620 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,620 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,620 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,621 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,621 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,629 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,629 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,629 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,629 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,629 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,630 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,630 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,630 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,631 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,632 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,632 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,632 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,632 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,632 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:59:57,633 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:59:57,633 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,634 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:59:57,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,634 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,635 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:57,635 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,635 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,635 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,635 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,636 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,636 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,652 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,652 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:57,652 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,652 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,653 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,653 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,653 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,654 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,656 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,656 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:59:57,656 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,657 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,657 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,657 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,658 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,658 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,660 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:59:57,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,661 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,661 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,661 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,661 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,661 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,662 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,663 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,673 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,742 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,742 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,742 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,742 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,743 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,743 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,744 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,744 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,746 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,746 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,746 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,746 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,747 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,747 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:59:57,748 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:59:57,748 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,749 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:59:57,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,750 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,750 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,751 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,751 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,751 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,751 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,752 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,752 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,757 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,757 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,758 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,758 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,758 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,758 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,759 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,759 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,761 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,761 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:59:57,761 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,761 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,761 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,761 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:59:57,762 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:59:57,762 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,763 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:59:57,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,764 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,764 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,764 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,764 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,764 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,765 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:57,766 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:57,766 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,782 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,782 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,783 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,783 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,783 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:57,784 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:57,784 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:57,787 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:59:57,787 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:59:57,787 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:57,787 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:57,787 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:57,787 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:59:57,795 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:59:57,796 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:57,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:57,798 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:59:57,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:59:57,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:59:57,799 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-11-15 20:59:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:59:57,822 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-11-15 20:59:57,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:59:57,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2019-11-15 20:59:57,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:57,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2019-11-15 20:59:57,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-15 20:59:57,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-15 20:59:57,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2019-11-15 20:59:57,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:59:57,825 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-15 20:59:57,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2019-11-15 20:59:57,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-15 20:59:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-15 20:59:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-11-15 20:59:57,826 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-15 20:59:57,826 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-15 20:59:57,826 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 20:59:57,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2019-11-15 20:59:57,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 20:59:57,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:59:57,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:59:57,827 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-15 20:59:57,827 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 20:59:57,828 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-11-15 20:59:57,828 INFO L793 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-11-15 20:59:57,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,828 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-15 20:59:57,828 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911986464] [2019-11-15 20:59:57,828 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,829 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,840 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,842 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2019-11-15 20:59:57,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629867567] [2019-11-15 20:59:57,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,848 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:57,849 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2019-11-15 20:59:57,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:59:57,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268132291] [2019-11-15 20:59:57,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:59:57,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:59:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:59:57,867 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:59:57,893 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:57,893 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:57,893 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:57,893 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:57,894 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:59:57,894 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:57,894 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:57,894 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:57,894 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-11-15 20:59:57,894 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:57,894 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:57,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:57,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:58,024 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:58,024 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:58,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:58,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:59:58,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:59:58,039 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:58,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:59:58,051 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f56fec2-5015-4922-bcd2-446264c07f38/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 20:59:58,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:59:58,073 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:58,084 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:59:58,086 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:59:58,086 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:59:58,086 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:59:58,086 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:59:58,086 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:59:58,086 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:59:58,087 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:59:58,087 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:59:58,087 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-11-15 20:59:58,087 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:59:58,087 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:59:58,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:58,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:59:58,200 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:59:58,200 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:59:58,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:58,201 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:58,201 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:58,202 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:58,202 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:58,202 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:58,202 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:58,202 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:58,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:59:58,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 20:59:58,204 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:59:58,204 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:59:58,204 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:59:58,204 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:59:58,204 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:59:58,204 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:59:58,205 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:59:58,209 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 20:59:58,211 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 20:59:58,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 20:59:58,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 20:59:58,214 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 20:59:58,215 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 20:59:58,216 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2019-11-15 20:59:58,222 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 20:59:58,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:59:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:59:58,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 20:59:58,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:59:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:59:58,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 20:59:58,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:59:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:59:58,288 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-15 20:59:58,289 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-11-15 20:59:58,322 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2019-11-15 20:59:58,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 20:59:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 20:59:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-11-15 20:59:58,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-15 20:59:58,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:59:58,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-15 20:59:58,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:59:58,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-15 20:59:58,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:59:58,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-15 20:59:58,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:59:58,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-15 20:59:58,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:59:58,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:59:58,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:59:58,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:59:58,328 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:59:58,328 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:59:58,329 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:59:58,329 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-15 20:59:58,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:59:58,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:59:58,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 20:59:58,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:59:58 BoogieIcfgContainer [2019-11-15 20:59:58,337 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:59:58,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:59:58,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:59:58,338 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:59:58,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:59:52" (3/4) ... [2019-11-15 20:59:58,343 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:59:58,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:59:58,345 INFO L168 Benchmark]: Toolchain (without parser) took 6261.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 951.4 MB in the beginning and 973.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 208.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:59:58,346 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:59:58,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:59:58,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:59:58,347 INFO L168 Benchmark]: Boogie Preprocessor took 24.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:59:58,348 INFO L168 Benchmark]: RCFGBuilder took 215.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:59:58,349 INFO L168 Benchmark]: BuchiAutomizer took 5657.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 146.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:59:58,349 INFO L168 Benchmark]: Witness Printer took 5.64 ms. Allocated memory is still 1.3 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:59:58,352 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 215.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5657.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 146.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.64 ms. Allocated memory is still 1.3 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div257 bol100 ite112 ukn100 eq150 hnf59 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 20ms 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...