./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57e8ddb55bdff7b186468e47377e815829f9014 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:33:06,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:33:06,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:33:06,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:33:06,424 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:33:06,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:33:06,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:33:06,426 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:33:06,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:33:06,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:33:06,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:33:06,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:33:06,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:33:06,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:33:06,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:33:06,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:33:06,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:33:06,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:33:06,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:33:06,435 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:33:06,436 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:33:06,437 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:33:06,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:33:06,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:33:06,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:33:06,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:33:06,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:33:06,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:33:06,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:33:06,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:33:06,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:33:06,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:33:06,444 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:33:06,444 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:33:06,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:33:06,445 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:33:06,445 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 04:33:06,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:33:06,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:33:06,455 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:33:06,455 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:33:06,455 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:33:06,455 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 04:33:06,455 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 04:33:06,455 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 04:33:06,455 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 04:33:06,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:33:06,456 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 04:33:06,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 04:33:06,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:33:06,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:33:06,458 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 04:33:06,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:33:06,458 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:33:06,458 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 04:33:06,459 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 04:33:06,459 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57e8ddb55bdff7b186468e47377e815829f9014 [2018-11-10 04:33:06,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:33:06,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:33:06,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:33:06,497 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:33:06,497 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:33:06,498 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-10 04:33:06,546 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/data/186bacb54/edc2c15bd96e45df8c53d806c7edae85/FLAGb10c242b3 [2018-11-10 04:33:06,887 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:33:06,887 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-10 04:33:06,891 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/data/186bacb54/edc2c15bd96e45df8c53d806c7edae85/FLAGb10c242b3 [2018-11-10 04:33:06,901 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/data/186bacb54/edc2c15bd96e45df8c53d806c7edae85 [2018-11-10 04:33:06,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:33:06,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:33:06,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:33:06,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:33:06,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:33:06,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:33:06" (1/1) ... [2018-11-10 04:33:06,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:06, skipping insertion in model container [2018-11-10 04:33:06,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:33:06" (1/1) ... [2018-11-10 04:33:06,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:33:06,936 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:33:07,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:33:07,046 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:33:07,055 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:33:07,064 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:33:07,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07 WrapperNode [2018-11-10 04:33:07,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:33:07,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:33:07,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:33:07,065 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:33:07,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:33:07,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:33:07,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:33:07,089 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:33:07,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... [2018-11-10 04:33:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:33:07,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:33:07,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:33:07,102 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:33:07,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:33:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:33:07,275 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:33:07,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:07 BoogieIcfgContainer [2018-11-10 04:33:07,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:33:07,276 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 04:33:07,276 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 04:33:07,279 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 04:33:07,280 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:33:07,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 04:33:06" (1/3) ... [2018-11-10 04:33:07,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52ec5dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:33:07, skipping insertion in model container [2018-11-10 04:33:07,281 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:33:07,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:33:07" (2/3) ... [2018-11-10 04:33:07,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52ec5dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:33:07, skipping insertion in model container [2018-11-10 04:33:07,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:33:07,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:07" (3/3) ... [2018-11-10 04:33:07,284 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-11-10 04:33:07,323 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:33:07,324 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 04:33:07,324 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 04:33:07,324 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 04:33:07,324 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:33:07,324 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:33:07,324 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 04:33:07,324 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:33:07,324 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 04:33:07,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 04:33:07,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 04:33:07,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:33:07,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:33:07,352 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 04:33:07,353 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 04:33:07,353 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 04:33:07,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 04:33:07,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 04:33:07,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:33:07,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:33:07,354 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 04:33:07,354 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 04:33:07,360 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L12-3true [2018-11-10 04:33:07,360 INFO L795 eck$LassoCheckResult]: Loop: 11#L12-3true assume true; 6#L12-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 11#L12-3true [2018-11-10 04:33:07,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 04:33:07,365 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:07,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:07,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:07,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:07,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 04:33:07,431 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:07,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:07,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:07,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:07,443 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 04:33:07,444 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:07,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:07,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:07,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:07,489 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:07,490 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:07,490 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:07,491 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:07,491 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:33:07,491 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:07,491 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:07,491 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:07,491 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-10 04:33:07,491 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:07,492 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:07,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:07,637 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:07,638 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:07,643 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:33:07,643 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:07,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:33:07,669 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:33:19,719 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 04:33:19,723 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:19,723 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:19,723 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:19,723 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:19,723 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 04:33:19,724 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:19,724 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:19,724 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:19,724 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-10 04:33:19,724 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:19,724 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:19,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:19,791 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:19,795 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 04:33:19,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:19,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,799 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:19,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:19,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,814 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,814 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 04:33:19,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:19,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,816 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:19,817 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:19,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,830 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,831 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 04:33:19,831 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:19,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,834 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:19,836 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:19,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,851 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,851 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 04:33:19,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:19,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,853 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:19,855 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:19,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,873 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,873 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 04:33:19,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:19,875 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:19,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,875 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:19,878 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:19,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,913 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,914 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 04:33:19,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,915 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:19,915 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:19,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,916 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:19,919 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:19,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:19,960 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:19,960 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 04:33:19,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:19,961 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:19,961 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:19,961 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:19,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:19,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:19,962 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:19,966 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:19,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:20,009 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:20,009 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 04:33:20,010 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:20,010 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:20,010 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:20,010 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:20,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:20,011 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:20,011 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:20,012 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:20,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:20,021 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:20,021 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 04:33:20,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:20,022 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:20,023 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:20,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:20,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:20,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:20,023 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:20,026 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:20,026 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:20,043 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:20,062 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:20,062 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:20,062 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:20,062 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:20,062 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:33:20,062 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:20,062 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:20,063 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:20,063 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-10 04:33:20,063 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:20,063 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:20,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:20,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:20,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:20,184 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:20,184 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:20,193 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:33:20,193 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:33:20,199 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 04:33:20,199 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:20,232 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:33:20,232 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:20,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:33:20,272 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:33:32,311 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 04:33:32,315 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:32,315 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:32,316 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:32,316 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:32,316 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 04:33:32,316 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:32,316 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:32,316 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:32,316 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-10 04:33:32,316 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:32,316 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:32,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:32,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:32,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:32,381 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:32,381 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 04:33:32,382 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,383 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:32,383 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:32,383 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,384 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,385 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:32,388 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:32,388 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 04:33:32,396 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:32,397 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:32,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,398 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,398 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 04:33:32,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,399 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,399 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,402 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,403 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:32,403 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,403 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,404 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,405 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,405 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,406 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 04:33:32,407 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 04:33:32,417 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,420 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,420 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:32,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,421 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,421 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 04:33:32,421 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,421 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,422 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,422 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,422 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,422 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,422 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,428 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:32,429 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:32,439 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,440 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,440 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,441 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,441 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 04:33:32,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,442 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,442 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:32,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,443 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,444 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,447 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 04:33:32,447 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 04:33:32,458 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,459 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:32,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,460 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,460 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:32,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,461 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,461 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 04:33:32,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,462 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,462 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,462 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,462 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,463 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:32,463 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,464 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,464 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,467 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 04:33:32,467 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 04:33:32,482 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,483 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,483 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,483 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,483 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:32,484 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:32,484 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,485 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,485 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 04:33:32,485 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,486 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,486 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:32,486 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,486 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,487 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,487 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,488 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,489 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,489 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,489 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:32,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,489 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,496 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:32,496 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:32,525 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,526 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,526 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:32,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,527 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,527 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,529 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,529 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 04:33:32,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,530 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,530 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,531 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:32,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,532 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,533 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,533 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,533 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,536 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 04:33:32,536 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 04:33:32,593 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,594 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,595 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,595 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:32,596 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:32,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,597 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,597 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 04:33:32,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,598 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,598 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,598 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,599 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,599 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,601 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,602 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,602 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,603 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,604 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:32,605 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:32,623 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,624 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,624 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:32,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,625 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:32,625 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:32,625 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,626 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,627 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 04:33:32,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,627 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,627 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,628 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:32,628 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:32,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,630 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,631 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,631 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,633 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:32,635 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 04:33:32,635 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 04:33:32,666 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:32,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:32,667 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:32,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:32,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:32,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:32,669 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:32,670 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:32,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:32,671 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:32,672 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 04:33:32,672 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L12-3true assume true; 6#L12-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 11#L12-3true [2018-11-10 04:33:32,672 INFO L795 eck$LassoCheckResult]: Loop: 11#L12-3true assume true; 6#L12-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2; 11#L12-3true [2018-11-10 04:33:32,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:32,672 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 04:33:32,673 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:32,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:32,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:33:32,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:32,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 04:33:32,679 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:32,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:32,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,679 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:33:32,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:33:32,682 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 04:33:32,683 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:33:32,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:33:32,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,683 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:33:32,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:33:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:33:32,718 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:32,718 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:32,718 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:32,719 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:32,719 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:33:32,719 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:32,719 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:32,719 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:32,719 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-10 04:33:32,719 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:32,719 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:32,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:32,810 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:32,811 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:32,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:33:32,820 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:32,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:33:32,858 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:33:44,909 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 04:33:44,914 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:44,914 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:44,914 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:44,914 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:44,914 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 04:33:44,914 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:44,914 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:44,915 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:44,915 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-10 04:33:44,915 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:44,915 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:44,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:44,983 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:44,983 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 04:33:44,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:44,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:44,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:44,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:44,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:44,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:44,985 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:44,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:44,987 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:44,987 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 04:33:44,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:44,991 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:44,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:44,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:44,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:44,992 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:44,992 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:44,992 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:44,995 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:44,995 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 04:33:44,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:44,995 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:44,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:44,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:44,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:44,996 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:44,996 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:44,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:44,999 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:44,999 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 04:33:44,999 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:45,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,000 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:45,001 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:45,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,004 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,004 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 04:33:45,005 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,005 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:45,005 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:45,005 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,005 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:45,006 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:45,006 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,015 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,015 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 04:33:45,016 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,016 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:45,016 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:45,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,017 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:45,018 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:45,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,029 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,030 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 04:33:45,030 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,030 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:45,030 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:45,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,031 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:45,033 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:45,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,056 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,056 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 04:33:45,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:45,057 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:45,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,058 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:45,058 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:45,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,064 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,065 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 04:33:45,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:45,065 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:45,065 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:45,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:45,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:45,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:45,066 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:45,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:45,067 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:45,077 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:45,087 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:45,088 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:45,088 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:45,088 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:45,088 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 04:33:45,088 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:45,088 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:45,088 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:45,088 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-10 04:33:45,088 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:45,088 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:45,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:45,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:45,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:45,195 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:45,195 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:45,204 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 04:33:45,204 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b83ee3d1-25b7-428d-8f0f-80c60823aabc/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:45,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 04:33:45,237 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 04:33:57,274 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 04:33:57,278 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:33:57,278 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:33:57,278 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:33:57,278 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:33:57,278 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 04:33:57,278 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:33:57,278 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:33:57,278 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:33:57,278 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-10 04:33:57,278 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:33:57,278 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:33:57,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:57,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:57,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:33:57,352 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:33:57,353 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 04:33:57,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:57,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:57,355 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 04:33:57,359 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:57,361 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:57,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,361 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,362 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:33:57,362 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 04:33:57,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,362 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 04:33:57,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,363 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,364 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 04:33:57,365 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 04:33:57,372 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,373 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,373 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,373 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,373 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,373 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,374 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:57,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,374 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,375 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,375 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,375 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:57,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,376 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,376 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 04:33:57,376 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,378 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:57,378 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:57,390 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,390 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,390 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,391 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,391 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,391 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,391 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,392 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,392 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,393 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,393 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 04:33:57,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,394 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,396 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 04:33:57,396 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 04:33:57,407 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,408 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,408 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,408 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,408 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,409 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:57,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,409 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,409 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:33:57,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,410 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,410 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:57,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,410 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,411 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 04:33:57,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,411 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,411 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,411 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,411 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,411 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,413 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 04:33:57,413 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 04:33:57,428 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,429 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,429 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,429 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,430 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,430 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:57,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,430 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,431 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,431 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 04:33:57,432 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 04:33:57,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,432 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,432 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 04:33:57,432 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,433 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,433 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:57,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,433 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,435 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:57,435 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:57,464 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,465 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:57,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,465 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,465 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,465 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,466 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,467 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,467 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 04:33:57,467 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,467 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,468 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,468 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,468 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,468 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 04:33:57,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,469 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,469 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,469 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,472 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 04:33:57,473 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 04:33:57,531 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,532 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,532 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,533 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,533 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:57,534 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,534 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,535 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,535 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,535 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 04:33:57,536 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 04:33:57,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,536 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,536 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 04:33:57,537 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,537 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,537 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,537 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,539 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 04:33:57,539 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 04:33:57,561 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,561 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,561 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,562 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,562 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,562 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,563 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,563 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,564 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,564 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 04:33:57,564 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,564 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,564 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 04:33:57,564 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 04:33:57,564 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,565 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,565 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 04:33:57,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,566 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,566 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,566 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:57,569 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 04:33:57,569 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 04:33:57,665 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,665 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,666 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,666 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:57,667 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:57,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,668 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 04:33:57,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 04:33:57,669 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 04:33:57,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 04:33:57,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:33:57,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:33:57,669 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 04:33:57,669 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:33:57,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 04:33:57,671 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:33:57,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 04:33:57 BoogieIcfgContainer [2018-11-10 04:33:57,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 04:33:57,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:33:57,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:33:57,676 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:33:57,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:33:07" (3/4) ... [2018-11-10 04:33:57,680 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:33:57,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:33:57,680 INFO L168 Benchmark]: Toolchain (without parser) took 50777.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -191.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:33:57,681 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:33:57,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:57,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.40 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:33:57,682 INFO L168 Benchmark]: Boogie Preprocessor took 12.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:57,683 INFO L168 Benchmark]: RCFGBuilder took 174.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:57,683 INFO L168 Benchmark]: BuchiAutomizer took 50399.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -20.2 MB). Peak memory consumption was 270.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:33:57,684 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:33:57,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.40 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50399.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -20.2 MB). Peak memory consumption was 270.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.2 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 50.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 50.3s. 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: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 99ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := main_~x~0 + 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...