./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a0edfd90480f917557019c272eaa2ec2221428a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:45:56,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:45:56,474 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:45:56,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:45:56,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:45:56,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:45:56,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:45:56,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:45:56,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:45:56,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:45:56,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:45:56,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:45:56,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:45:56,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:45:56,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:45:56,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:45:56,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:45:56,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:45:56,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:45:56,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:45:56,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:45:56,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:45:56,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:45:56,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:45:56,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:45:56,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:45:56,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:45:56,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:45:56,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:45:56,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:45:56,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:45:56,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:45:56,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:45:56,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:45:56,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:45:56,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:45:56,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 16:45:56,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:45:56,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:45:56,507 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:45:56,507 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:45:56,507 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:45:56,507 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 16:45:56,508 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:45:56,508 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:45:56,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 16:45:56,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 16:45:56,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:45:56,510 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 16:45:56,511 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 16:45:56,511 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a0edfd90480f917557019c272eaa2ec2221428a [2018-12-08 16:45:56,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:45:56,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:45:56,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:45:56,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:45:56,537 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:45:56,537 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-12-08 16:45:56,572 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/data/819869d17/d1b71ed555e3483499b311fa1c6c9c61/FLAG64eee5033 [2018-12-08 16:45:56,949 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:45:56,949 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-12-08 16:45:56,953 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/data/819869d17/d1b71ed555e3483499b311fa1c6c9c61/FLAG64eee5033 [2018-12-08 16:45:56,962 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/data/819869d17/d1b71ed555e3483499b311fa1c6c9c61 [2018-12-08 16:45:56,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:45:56,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:45:56,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:45:56,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:45:56,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:45:56,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:45:56" (1/1) ... [2018-12-08 16:45:56,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:56, skipping insertion in model container [2018-12-08 16:45:56,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:45:56" (1/1) ... [2018-12-08 16:45:56,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:45:56,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:45:57,065 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:45:57,067 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:45:57,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:45:57,082 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:45:57,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57 WrapperNode [2018-12-08 16:45:57,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:45:57,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:45:57,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:45:57,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:45:57,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:45:57,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:45:57,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:45:57,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:45:57,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... [2018-12-08 16:45:57,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:45:57,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:45:57,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:45:57,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:45:57,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:45:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:45:57,257 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:45:57,258 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 16:45:57,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:45:57 BoogieIcfgContainer [2018-12-08 16:45:57,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:45:57,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 16:45:57,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 16:45:57,260 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 16:45:57,261 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:45:57,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 04:45:56" (1/3) ... [2018-12-08 16:45:57,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf4cae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:45:57, skipping insertion in model container [2018-12-08 16:45:57,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:45:57,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:45:57" (2/3) ... [2018-12-08 16:45:57,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf4cae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:45:57, skipping insertion in model container [2018-12-08 16:45:57,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:45:57,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:45:57" (3/3) ... [2018-12-08 16:45:57,263 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call1_true-termination.i [2018-12-08 16:45:57,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:45:57,296 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 16:45:57,296 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 16:45:57,296 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 16:45:57,296 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:45:57,297 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:45:57,297 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 16:45:57,297 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:45:57,297 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 16:45:57,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 16:45:57,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 16:45:57,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:45:57,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:45:57,321 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 16:45:57,321 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 16:45:57,321 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 16:45:57,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 16:45:57,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 16:45:57,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:45:57,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:45:57,322 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 16:45:57,322 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 16:45:57,327 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-12-08 16:45:57,327 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-12-08 16:45:57,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:45:57,331 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-08 16:45:57,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:45:57,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:45:57,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:45:57,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:45:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-08 16:45:57,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:45:57,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:45:57,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:45:57,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:45:57,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-08 16:45:57,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:45:57,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:45:57,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:45:57,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:45:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:45:57,430 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:45:57,431 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:45:57,431 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:45:57,431 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:45:57,431 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 16:45:57,432 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,432 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:45:57,432 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:45:57,432 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 16:45:57,432 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:45:57,432 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:45:57,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:45:57,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:45:57,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:45:57,525 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:45:57,526 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,530 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:45:57,530 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:45:57,535 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:45:57,536 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:45:57,551 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:45:57,553 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:45:57,553 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,568 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:45:57,568 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:45:57,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 16:45:57,585 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:13,124 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 16:46:13,128 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:13,128 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:13,128 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:13,129 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:13,129 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 16:46:13,129 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,129 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:13,129 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:13,129 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 16:46:13,129 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:13,129 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:13,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,198 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:13,201 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 16:46:13,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,203 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:13,205 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:13,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,208 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:13,209 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:13,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,211 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:13,212 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:13,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,216 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 16:46:13,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,217 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,218 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,220 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,220 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,222 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,223 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,230 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 16:46:13,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,231 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,231 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,233 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,233 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,235 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,236 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,245 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 16:46:13,246 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,246 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,247 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,250 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,250 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,252 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,252 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:13,252 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,252 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,253 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,253 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,263 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 16:46:13,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,264 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,264 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,264 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,267 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,271 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,271 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,272 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,273 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,275 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,275 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,275 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:13,277 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:13,277 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,296 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 16:46:13,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,297 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:13,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,298 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,300 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,300 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,307 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,307 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:13,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,308 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,309 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,311 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,312 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,312 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:13,313 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,313 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,313 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,313 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,315 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,342 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 16:46:13,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,343 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,344 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,344 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,348 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,351 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,351 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,352 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,353 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,353 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,354 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,355 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,355 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,355 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:13,357 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:13,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,387 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 16:46:13,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,388 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,388 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,388 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,389 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,389 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,389 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,393 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,393 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,393 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,393 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,395 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,395 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:13,395 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,396 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:13,396 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:13,396 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,400 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 16:46:13,400 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,400 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,401 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,401 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:13,402 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:13,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,407 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,408 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,408 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,408 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,408 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:13,409 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:13,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:13,411 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:13,411 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:13,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:13,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:13,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:13,412 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:13,412 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:13,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:13,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:13,434 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:13,434 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:13,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:13,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:13,435 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 16:46:13,435 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:13,435 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:13,435 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 16:46:13,435 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:13,435 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:13,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:13,500 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:13,500 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,502 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:13,502 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:13,504 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:46:13,504 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:13,520 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:13,522 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:46:13,522 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,538 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:13,538 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:13,565 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 16:46:13,565 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:26,103 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 16:46:26,108 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:26,109 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:26,109 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:26,109 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:26,109 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 16:46:26,109 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:26,109 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:26,109 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:26,109 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 16:46:26,110 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:26,110 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:26,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:26,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:26,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:26,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:26,163 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:26,163 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 16:46:26,164 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,164 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:26,165 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:26,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,166 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:26,167 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:26,167 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:46:26,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,172 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:26,173 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:26,173 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:46:26,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,176 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,177 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:26,177 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:26,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,178 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 16:46:26,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,178 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,178 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,179 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:26,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,180 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,181 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:26,181 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:26,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,186 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,187 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:26,187 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:26,194 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,194 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,194 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,194 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,194 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,195 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,195 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:26,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,195 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 16:46:26,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,196 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,196 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,197 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:26,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,197 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,198 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,199 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:26,199 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:26,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,205 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,205 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,206 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:26,206 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:26,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,220 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,220 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:26,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,221 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 16:46:26,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,221 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,221 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,222 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,222 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:26,222 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,223 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,224 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:26,224 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:26,231 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,232 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,234 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:26,234 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:26,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:26,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,257 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,257 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:26,257 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,258 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 16:46:26,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,258 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,258 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:26,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,259 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,259 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:26,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,260 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,260 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:26,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,260 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,261 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:26,261 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:26,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,272 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,272 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:26,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,272 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,273 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:26,274 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:26,328 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,328 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,329 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,329 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:26,329 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,329 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:26,329 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:26,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,330 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 16:46:26,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,331 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:26,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,331 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,331 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:26,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,333 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,333 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:26,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,333 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,334 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:26,335 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:26,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,350 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,350 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:26,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,350 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,352 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:26,352 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:26,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,619 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,619 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:26,619 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,619 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:26,620 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:26,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,621 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 16:46:26,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,621 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,621 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:26,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:26,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,622 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,622 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:26,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:26,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,623 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,623 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:26,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,623 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,625 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:26,625 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:26,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:26,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:26,642 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:26,642 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:26,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:26,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:26,642 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:26,645 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:26,645 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:27,333 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,333 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,333 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,334 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:27,334 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:27,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,334 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:27,334 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:27,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:27,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,335 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 16:46:27,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,336 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,336 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:27,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:27,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,336 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:27,336 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:27,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:27,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,337 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:27,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,338 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:27,338 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:27,338 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:27,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,345 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,345 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:27,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,345 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:27,346 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:27,347 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:27,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,359 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,359 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:27,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:27,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,360 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:27,360 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:27,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:27,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,361 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 16:46:27,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,361 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,361 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:27,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:27,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,362 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:27,362 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:27,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:27,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:27,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,364 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:27,365 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 16:46:27,365 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 16:46:27,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,378 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,378 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:27,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,378 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:27,380 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 16:46:27,380 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 16:46:27,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:27,463 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:27,463 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:27,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:27,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:27,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:27,464 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:27,464 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:27,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:27,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:27,466 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 16:46:27,466 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-12-08 16:46:27,466 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-12-08 16:46:27,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:46:27,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-08 16:46:27,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:46:27,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:46:27,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:46:27,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:46:27,472 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-08 16:46:27,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:46:27,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:46:27,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,473 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:46:27,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:46:27,476 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-08 16:46:27,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:46:27,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:46:27,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,477 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:46:27,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:46:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:27,495 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:27,496 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:27,496 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:27,496 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:27,496 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 16:46:27,496 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:27,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:27,496 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:27,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 16:46:27,496 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:27,496 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:27,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:27,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:27,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:27,553 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:27,553 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:27,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:27,571 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:27,573 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:46:27,573 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:27,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:27,599 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:27,619 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 16:46:27,619 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:40,297 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 16:46:40,303 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:40,303 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:40,303 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:40,303 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:40,303 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 16:46:40,303 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,303 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:40,303 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:40,303 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 16:46:40,303 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:40,303 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:40,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,338 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:40,338 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 16:46:40,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,338 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:40,339 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:40,339 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:40,341 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:40,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,344 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,344 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:40,344 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:40,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,345 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 16:46:40,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,346 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,346 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,347 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,348 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,348 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,351 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,351 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,351 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,352 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 16:46:40,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,353 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,354 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,354 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,355 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,355 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,356 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,356 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,359 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,359 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,360 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,360 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 16:46:40,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,361 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,361 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,363 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,364 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:40,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,367 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,368 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,368 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,368 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 16:46:40,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,369 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,369 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,369 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,370 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,370 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,371 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,371 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,371 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,372 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,372 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,372 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,372 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,379 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,379 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,379 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:40,380 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:40,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,381 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 16:46:40,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,381 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,382 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:40,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,382 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,383 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,383 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,384 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,384 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:40,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,385 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,385 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,385 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,393 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,393 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,393 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:40,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,394 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,395 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,395 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,397 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,397 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 16:46:40,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,398 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,398 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,398 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,398 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,398 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,399 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,399 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,399 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,400 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,400 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,400 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,400 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,401 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,402 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,419 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,419 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,419 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,420 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:40,422 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:40,423 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,424 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 16:46:40,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,425 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,425 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,426 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,428 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,428 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,429 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,429 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,432 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,433 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,433 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:40,433 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,433 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:40,434 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:40,434 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,436 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 16:46:40,436 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,436 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,437 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,437 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:40,437 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:40,438 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,440 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,440 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:40,441 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:40,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:40,448 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:40,448 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:40,448 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:40,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:40,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:40,449 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:40,450 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:40,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:40,455 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:40,480 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:40,481 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:40,481 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:40,481 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:40,481 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 16:46:40,481 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,481 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:40,481 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:40,481 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 16:46:40,481 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:40,481 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:40,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:40,535 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:40,535 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,538 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:40,538 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,555 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 16:46:40,555 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:40,568 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 16:46:40,568 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 16:46:40,590 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_473f4a8f-175a-4243-831d-ef2e9ee8f2a1/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:40,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 16:46:40,608 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 16:46:52,646 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 16:46:52,652 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:46:52,652 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:46:52,652 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:46:52,652 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:46:52,652 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 16:46:52,652 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:46:52,652 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:46:52,652 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:46:52,652 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 16:46:52,652 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:46:52,652 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:46:52,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:52,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:52,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:52,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:46:52,695 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:46:52,695 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 16:46:52,695 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,696 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,696 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,696 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:52,696 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:52,696 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:46:52,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,699 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,699 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,699 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:52,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:52,700 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:46:52,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,702 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,702 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,703 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:52,703 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:52,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,703 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,703 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,703 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,703 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,704 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:46:52,704 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:46:52,704 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,704 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,704 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 16:46:52,704 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,704 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,705 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,705 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:52,705 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:52,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,710 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,710 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:52,710 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:52,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,714 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,714 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:52,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,715 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,715 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,715 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,715 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:52,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,716 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 16:46:52,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,716 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,716 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:52,717 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:52,717 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:52,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,727 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,728 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:52,728 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:52,728 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:52,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,733 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:52,733 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:52,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,734 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:52,734 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:52,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,734 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 16:46:52,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,735 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:52,736 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:52,736 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:52,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,752 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:52,753 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:52,753 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:52,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,758 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:52,759 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:52,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,759 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,759 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:46:52,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,760 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:52,760 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:52,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,760 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 16:46:52,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,761 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:52,761 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:52,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,761 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,761 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:52,761 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:52,797 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,798 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:52,798 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:52,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,799 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,800 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 16:46:52,800 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 16:46:52,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:52,814 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:52,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,814 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,815 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:52,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,816 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:52,816 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:52,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:52,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,816 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 16:46:52,816 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 16:46:52,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:52,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:52,817 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 16:46:52,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:52,817 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:52,818 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:52,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:52,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:52,818 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:52,820 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:52,820 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:53,035 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,036 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,036 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,036 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:53,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,037 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,038 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:53,038 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:53,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,054 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:53,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,055 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,055 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:53,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,057 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 16:46:53,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,057 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,058 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:53,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,058 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 16:46:53,059 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,059 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,059 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,059 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:53,063 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:53,063 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:53,520 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,520 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,520 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,521 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,521 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,521 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,521 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:53,522 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 16:46:53,522 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 16:46:53,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,549 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,549 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:53,550 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:53,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,550 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,550 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,551 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,551 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 16:46:53,551 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 16:46:53,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,552 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,552 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 16:46:53,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,553 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,553 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:53,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,553 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,554 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:53,554 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:53,565 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,566 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,566 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:53,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,566 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,567 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 16:46:53,567 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 16:46:53,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,575 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,575 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,575 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:53,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,575 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,576 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:53,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,577 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 16:46:53,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,578 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 16:46:53,578 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:46:53,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,579 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 16:46:53,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,579 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,579 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:53,581 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 16:46:53,581 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 16:46:53,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,724 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,725 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:53,726 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 16:46:53,726 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 16:46:53,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,746 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,746 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:53,746 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:53,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:46:53,747 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 16:46:53,748 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 16:46:53,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:46:53,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:46:53,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:46:53,748 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 16:46:53,748 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:46:53,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:46:53,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:46:53,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 04:46:53 BoogieIcfgContainer [2018-12-08 16:46:53,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 16:46:53,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:46:53,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:46:53,753 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:46:53,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:45:57" (3/4) ... [2018-12-08 16:46:53,756 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:46:53,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:46:53,757 INFO L168 Benchmark]: Toolchain (without parser) took 56793.17 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 431.5 MB). Free memory was 956.0 MB in the beginning and 1.4 GB in the end (delta: -438.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:53,758 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:53,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.91 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:53,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:53,759 INFO L168 Benchmark]: Boogie Preprocessor took 15.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:53,759 INFO L168 Benchmark]: RCFGBuilder took 133.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:53,760 INFO L168 Benchmark]: BuchiAutomizer took 56494.75 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -307.0 MB). Peak memory consumption was 625.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:53,760 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:53,763 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.91 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 133.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56494.75 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -307.0 MB). Peak memory consumption was 625.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 56.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 144ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.8s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...