./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_24.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37080e652aca30a197dfeef0cd840e0e07570cf4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:46,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:46,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:46,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:46,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:46,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:46,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:46,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:46,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:46,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:46,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:46,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:46,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:46,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:46,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:46,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:46,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:46,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:46,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:46,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:46,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:46,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:46,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:46,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:46,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:46,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:46,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:46,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:46,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:46,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:46,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:46,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:46,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:46,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:46,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:46,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:46,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:46,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:46,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:46,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:46,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:46,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:57:46,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:46,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:46,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:46,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:46,339 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:46,340 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:46,340 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:46,340 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:46,340 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:46,340 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:46,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:46,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:46,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:46,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:46,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:46,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:46,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:46,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:46,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:46,342 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:46,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:46,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:46,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:46,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:46,343 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:46,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:46,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:46,343 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:46,344 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:46,344 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2019-10-22 08:57:46,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:46,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:46,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:46,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:46,394 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:46,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_24.c [2019-10-22 08:57:46,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/data/d2cf05c1f/43f43ef6f2d640a4893568f8c31193eb/FLAGb1410351e [2019-10-22 08:57:46,795 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:46,796 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/sv-benchmarks/c/termination-restricted-15/NO_24.c [2019-10-22 08:57:46,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/data/d2cf05c1f/43f43ef6f2d640a4893568f8c31193eb/FLAGb1410351e [2019-10-22 08:57:47,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/data/d2cf05c1f/43f43ef6f2d640a4893568f8c31193eb [2019-10-22 08:57:47,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:47,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:47,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:47,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:47,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:47,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5fd4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47, skipping insertion in model container [2019-10-22 08:57:47,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:47,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:47,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:47,506 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:47,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:47,583 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:47,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47 WrapperNode [2019-10-22 08:57:47,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:47,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:47,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:47,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:47,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:47,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:47,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:47,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:47,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:47,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:47,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:47,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:47,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:47,820 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:47,820 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:57:47,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:47 BoogieIcfgContainer [2019-10-22 08:57:47,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:47,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:47,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:47,825 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:47,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:47,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:47" (1/3) ... [2019-10-22 08:57:47,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fed6649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:47, skipping insertion in model container [2019-10-22 08:57:47,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:47,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (2/3) ... [2019-10-22 08:57:47,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fed6649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:47, skipping insertion in model container [2019-10-22 08:57:47,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:47,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:47" (3/3) ... [2019-10-22 08:57:47,829 INFO L371 chiAutomizerObserver]: Analyzing ICFG NO_24.c [2019-10-22 08:57:47,865 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:47,865 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:47,865 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:47,865 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:47,865 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:47,865 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:47,865 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:47,865 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:47,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 08:57:47,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:47,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:47,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:47,901 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:47,901 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:47,901 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:47,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 08:57:47,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:47,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:47,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:47,902 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:47,903 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:47,909 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true [2019-10-22 08:57:47,910 INFO L793 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-10-22 08:57:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:47,914 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:57:47,919 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:47,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926910741] [2019-10-22 08:57:47,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:47,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:47,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:47,995 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:47,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:47,996 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 08:57:47,997 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:47,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907456202] [2019-10-22 08:57:47,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:47,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:47,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:48,011 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:48,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:57:48,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:48,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24273929] [2019-10-22 08:57:48,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:48,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:48,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:48,028 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:48,084 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:48,085 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:48,085 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:48,085 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:48,085 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:48,085 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,085 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:48,085 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:48,086 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-10-22 08:57:48,086 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:48,086 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:48,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,235 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:48,235 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:48,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:48,248 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:48,256 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:48,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:48,274 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:48,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:48,294 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:48,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:48,320 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,595 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:48,597 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:48,597 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:48,597 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:48,597 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:48,597 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:48,597 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:48,597 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:48,597 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:48,597 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-10-22 08:57:48,598 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:48,598 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:48,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:48,688 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:48,692 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:48,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,695 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,695 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,696 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,696 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:48,700 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:48,700 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:48,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,706 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,707 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,707 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,707 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:48,709 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:48,709 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:48,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,717 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,717 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:48,718 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,718 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,718 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:48,718 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:48,719 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:48,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,720 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,720 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,721 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,721 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:48,724 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:48,724 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:48,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,753 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:48,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,754 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,754 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,755 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,755 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:48,757 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:48,757 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:48,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,766 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,766 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,767 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,767 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:48,769 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:48,769 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:48,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,790 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,790 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:48,790 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,790 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,790 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:48,791 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:48,791 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:48,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,793 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,793 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,793 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,793 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:48,797 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:48,797 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:48,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,826 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:48,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,827 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,827 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,827 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,828 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:48,838 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:48,838 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:48,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,844 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,844 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,845 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,845 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:48,847 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:48,847 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:48,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,864 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,865 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:48,865 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,865 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,865 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:48,866 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:48,866 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:48,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,869 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,870 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,870 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,870 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:48,877 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:48,880 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:48,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,929 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:48,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,930 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,930 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,930 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,930 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:48,933 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:48,933 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:48,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,943 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,944 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,945 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,945 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:48,947 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:48,948 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:48,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,962 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,963 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:48,963 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,963 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,963 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:48,964 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:48,964 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:48,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:48,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:48,965 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:48,965 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:48,966 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:48,966 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:48,971 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:48,981 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:49,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,016 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:49,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,017 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,017 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,017 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,018 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,018 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:49,019 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:49,019 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:49,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,023 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,023 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,023 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,023 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,024 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:49,025 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:49,025 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:49,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,030 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,030 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,030 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:49,030 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,030 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,030 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:49,031 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:49,031 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:49,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,032 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,032 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,033 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,033 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,033 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:49,035 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:49,035 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:49,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,068 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:49,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,074 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,074 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:49,075 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,075 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,075 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,077 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,077 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,083 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,083 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:49,083 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,083 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,083 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,085 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,085 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,094 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,094 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:49,094 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:49,094 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,095 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,095 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,096 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:49,096 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:49,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,098 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,099 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:49,099 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,099 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,099 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,102 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,102 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,130 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:49,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,131 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,131 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,131 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,131 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,132 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:49,133 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:49,134 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:49,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,148 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,148 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,148 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,148 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,148 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:49,149 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:49,150 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:49,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,165 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,165 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,165 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:49,166 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,166 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,166 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:49,167 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:49,167 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:49,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,168 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,168 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,169 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,169 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,169 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:49,172 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:49,172 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:49,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,223 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:49,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,224 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,224 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,224 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,224 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,225 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,225 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,226 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,229 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,229 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,229 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,229 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,230 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,230 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,231 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,235 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,235 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,235 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:49,236 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,236 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,236 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,236 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:49,236 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:49,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,239 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,239 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:49,239 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,239 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,239 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:49,241 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:49,241 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:49,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,272 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:49,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,273 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,274 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,274 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,274 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,274 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:49,276 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:49,276 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:49,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,283 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,283 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,283 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,283 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,284 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:49,285 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:49,285 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:49,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,292 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,293 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,293 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:49,293 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,293 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,293 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:49,294 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:49,294 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:49,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:49,299 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:49,300 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:49,300 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:49,300 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:49,300 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:49,303 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:49,303 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:49,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:49,416 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-10-22 08:57:49,416 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-10-22 08:57:49,416 INFO L793 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-10-22 08:57:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:49,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-10-22 08:57:49,417 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:49,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824432553] [2019-10-22 08:57:49,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,422 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:49,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:49,423 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-10-22 08:57:49,423 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:49,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421680268] [2019-10-22 08:57:49,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,428 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:49,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:49,428 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-10-22 08:57:49,429 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:49,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67216329] [2019-10-22 08:57:49,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:49,435 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:49,489 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:49,489 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:49,489 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:49,489 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:49,490 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:49,490 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:49,490 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:49,490 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:49,490 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-10-22 08:57:49,490 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:49,490 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:49,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,582 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:49,583 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:49,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:49,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:49,593 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:49,593 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:49,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:49,600 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:49,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:49,605 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:49,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:49,619 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedc1e9f-0a31-4423-8eef-5fa8a5a7a349/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:49,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:49,640 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:49,936 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:49,939 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:49,940 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:49,940 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:49,940 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:49,940 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:49,940 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:49,940 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:49,940 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:49,940 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-10-22 08:57:49,940 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:49,941 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:49,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:49,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:50,045 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:50,045 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:50,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,046 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,046 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,047 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,047 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,047 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,047 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:50,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,049 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,049 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,049 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,049 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,049 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,049 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:50,049 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,052 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,052 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,052 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,052 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,052 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,052 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:50,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,057 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,057 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,057 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,057 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:50,058 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,058 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:50,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,068 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 08:57:50,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,069 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,070 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,070 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,070 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,070 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,072 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,074 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,074 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,074 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,074 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,075 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,075 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,075 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,077 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,077 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,078 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,078 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,078 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,080 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,082 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,082 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,082 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,083 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,084 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,084 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,120 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 08:57:50,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,121 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,121 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,121 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,122 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,123 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,123 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,126 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,126 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,126 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,127 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,127 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,127 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,127 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,128 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,128 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,128 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,129 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,129 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,130 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,133 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,133 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,133 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,134 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,135 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,135 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,151 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 08:57:50,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,152 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,152 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,152 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,152 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,154 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,154 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,157 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,157 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,157 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,157 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,157 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,158 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,158 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,162 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,163 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,163 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,163 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,164 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,164 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,170 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:50,170 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,170 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,172 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,172 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,194 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 08:57:50,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,195 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,195 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,195 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,196 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,196 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,197 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,197 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,203 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,203 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,204 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,204 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,204 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,204 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,204 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 08:57:50,205 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,206 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,206 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,208 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,208 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,208 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,209 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,209 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,213 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,213 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,214 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,214 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,214 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 08:57:50,215 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 08:57:50,216 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 08:57:50,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,232 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 08:57:50,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,234 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,234 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,234 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,234 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,234 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,236 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,236 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,242 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,242 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,243 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,243 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,243 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,243 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,244 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,244 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,245 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,246 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,246 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,246 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,247 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,248 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,248 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,254 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,254 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 08:57:50,254 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,254 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,254 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,256 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,257 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,286 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 08:57:50,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,287 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,287 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,287 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,287 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,287 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,290 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,298 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,304 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,304 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,304 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,305 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,305 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,305 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,306 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 08:57:50,306 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,307 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,307 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,308 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,308 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,308 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,310 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,310 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,319 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,319 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,319 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,319 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,319 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 08:57:50,323 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 08:57:50,323 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 08:57:50,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,349 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 08:57:50,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,350 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,350 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,350 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,350 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,350 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,351 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,352 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,355 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,355 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,355 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,356 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,356 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,356 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,356 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:57:50,356 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,358 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,359 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,359 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,359 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,359 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,360 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,360 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,363 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,363 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 08:57:50,363 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,363 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,363 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 08:57:50,365 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:57:50,365 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:57:50,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,485 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 08:57:50,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,486 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,486 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,486 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,486 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,486 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,487 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:50,488 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:50,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,496 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,496 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,496 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:50,496 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,496 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,497 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,497 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:50,497 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:50,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,499 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,499 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,499 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,499 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,499 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,501 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:50,501 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:50,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:50,511 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 08:57:50,512 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 08:57:50,512 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:50,512 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:50,512 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 08:57:50,514 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 08:57:50,514 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 08:57:50,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:50,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:50 BoogieIcfgContainer [2019-10-22 08:57:50,615 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:50,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:50,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:50,616 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:50,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:47" (3/4) ... [2019-10-22 08:57:50,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:50,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:50,623 INFO L168 Benchmark]: Toolchain (without parser) took 3373.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -214.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:50,624 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:50,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:50,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:50,626 INFO L168 Benchmark]: Boogie Preprocessor took 18.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:50,627 INFO L168 Benchmark]: RCFGBuilder took 188.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:50,627 INFO L168 Benchmark]: BuchiAutomizer took 2793.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -80.1 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:50,627 INFO L168 Benchmark]: Witness Printer took 5.85 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:50,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 188.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2793.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -80.1 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.85 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 2.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf91 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" Loop: "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...