./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_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_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:30,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:30,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:30,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:30,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:30,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:30,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:30,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:30,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:30,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:30,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:30,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:30,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:30,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:30,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:30,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:30,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:30,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:30,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:30,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:30,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:30,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:30,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:30,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:30,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:30,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:30,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:30,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:30,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:30,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:30,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:30,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:30,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:30,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:30,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:30,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:30,279 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:06:30,295 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:30,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:30,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:30,296 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:30,296 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:30,297 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:30,297 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:30,297 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:30,297 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:30,297 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:30,297 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:30,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:30,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:06:30,298 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:30,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:30,298 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:06:30,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:30,299 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:30,299 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:30,299 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:30,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:06:30,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:30,302 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:30,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:30,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:30,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:30,302 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:30,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:30,303 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:30,303 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:30,304 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:30,304 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_090704d0-7850-4028-8756-0b9862ec1ab6/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 -> 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 [2018-10-27 06:06:30,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:30,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:30,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:30,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:30,353 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:30,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-10-27 06:06:30,411 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/data/c982c3f2b/5679e33ff27d411bb4bf8653245dae3d/FLAG23e00d77b [2018-10-27 06:06:30,785 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:30,785 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-10-27 06:06:30,791 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/data/c982c3f2b/5679e33ff27d411bb4bf8653245dae3d/FLAG23e00d77b [2018-10-27 06:06:30,804 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/data/c982c3f2b/5679e33ff27d411bb4bf8653245dae3d [2018-10-27 06:06:30,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:30,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:30,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:30,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:30,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:30,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:30,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af8d4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30, skipping insertion in model container [2018-10-27 06:06:30,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:30,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:30,850 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:30,974 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:30,977 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:30,987 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:30,998 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:30,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30 WrapperNode [2018-10-27 06:06:30,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:31,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:31,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:31,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:31,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:31,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:31,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:31,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:31,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... [2018-10-27 06:06:31,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:31,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:31,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:31,056 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:31,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:31,481 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:31,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:31 BoogieIcfgContainer [2018-10-27 06:06:31,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:31,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:31,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:31,486 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:31,487 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:31,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:30" (1/3) ... [2018-10-27 06:06:31,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13bdca67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:31, skipping insertion in model container [2018-10-27 06:06:31,488 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:31,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:30" (2/3) ... [2018-10-27 06:06:31,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13bdca67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:31, skipping insertion in model container [2018-10-27 06:06:31,489 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:31,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:31" (3/3) ... [2018-10-27 06:06:31,492 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2018-10-27 06:06:31,547 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:31,548 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:31,548 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:31,548 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:31,548 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:31,548 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:31,549 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:31,549 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:31,549 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:31,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-10-27 06:06:31,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-10-27 06:06:31,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:31,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:31,590 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:31,591 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-10-27 06:06:31,591 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:31,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-10-27 06:06:31,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-10-27 06:06:31,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:31,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:31,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:31,593 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-10-27 06:06:31,602 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 4#L13-3true [2018-10-27 06:06:31,602 INFO L795 eck$LassoCheckResult]: Loop: 4#L13-3true assume true; 8#L13-1true assume !!(main_~x~0 % 4294967296 < 268435455);assume { :begin_inline_f } true;f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := f_~z + 2; 13#L9true main_#t~ret0 := f_#res;assume { :end_inline_f } true;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 4#L13-3true [2018-10-27 06:06:31,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:31,610 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:06:31,612 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:31,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:31,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:31,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:31,705 INFO L82 PathProgramCache]: Analyzing trace with hash 35943, now seen corresponding path program 1 times [2018-10-27 06:06:31,705 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:31,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:31,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:31,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:31,730 INFO L82 PathProgramCache]: Analyzing trace with hash 28694885, now seen corresponding path program 1 times [2018-10-27 06:06:31,730 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:31,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:31,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:31,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:31,914 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:06:32,075 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:06:32,097 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:32,098 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:32,098 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:32,098 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:32,098 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:32,098 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:32,099 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:32,099 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:32,099 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-10-27 06:06:32,099 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:32,100 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:32,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:32,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:32,424 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-10-27 06:06:32,530 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:32,530 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:32,535 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:32,535 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:32,541 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:32,541 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:32,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:32,560 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:32,794 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:32,795 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:44,933 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:44,945 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:44,945 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:44,946 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:44,946 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:44,946 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:44,946 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:44,946 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:44,946 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:44,946 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-10-27 06:06:44,946 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:44,947 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:44,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:44,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:45,108 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:06:45,293 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-10-27 06:06:45,424 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:45,429 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:45,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,432 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,433 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:45,435 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:45,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,439 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,439 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 [2018-10-27 06:06:45,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,441 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:45,442 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:45,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,458 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,458 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:45,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,460 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:45,461 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:45,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,462 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:45,467 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:45,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,486 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,486 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:45,487 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,488 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,488 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,488 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,489 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,489 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,491 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,493 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,495 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,518 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,518 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:45,518 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,520 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:45,521 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:45,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,523 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,523 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,524 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:45,525 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,525 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,525 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:45,528 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:45,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,553 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,553 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:45,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,554 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,554 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:45,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,555 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:45,557 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:45,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,559 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,559 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,560 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:45,560 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,560 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:45,565 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:45,565 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,608 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,608 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:45,608 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,609 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,609 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:45,609 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,609 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,610 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,611 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,615 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,617 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,617 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:45,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,617 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,623 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,732 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,732 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:45,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,734 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:45,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,734 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:45,739 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:45,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,742 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,743 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,745 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:45,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,746 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:45,755 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:45,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,874 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,882 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:45,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,883 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,883 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:45,883 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,884 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,885 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,887 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,890 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:45,890 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,891 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:45,892 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:45,893 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,911 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,920 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:45,920 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:45,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,922 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:45,923 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:45,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,931 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:45,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:45,932 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:45,932 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:45,932 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:45,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:45,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:45,933 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:45,938 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:45,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:45,962 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:46,026 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:46,026 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:46,026 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:46,026 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:46,026 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:46,026 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:46,026 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:46,027 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:46,027 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:46,027 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:46,027 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:46,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:46,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:46,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:46,236 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:06:46,464 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-10-27 06:06:46,657 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:46,657 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:46,660 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:46,660 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:46,672 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:46,672 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:46,690 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:46,690 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:46,696 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:46,696 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:46,714 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:46,714 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:06:46,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:46,769 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:58,907 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:58,919 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:58,919 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:58,919 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:58,919 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:58,919 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:58,920 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:58,920 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:58,920 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:58,920 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:58,920 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:58,920 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:58,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:59,063 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:59,063 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:59,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,067 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:59,080 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,081 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,081 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,081 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,082 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,082 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:59,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,083 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,086 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:59,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,087 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,088 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:59,088 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,089 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,095 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:59,095 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:59,109 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,110 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,110 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:59,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,111 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,114 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,114 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,115 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,115 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:59,115 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,116 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,116 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:59,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,117 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,124 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:59,124 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:59,142 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,144 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,144 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,145 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,146 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,146 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,147 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,147 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:59,152 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,152 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,153 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,158 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:59,158 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:59,179 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,180 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,181 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:59,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,182 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,182 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,182 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,182 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,183 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,183 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,183 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:59,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,188 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,188 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:59,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,189 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,189 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,195 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:59,195 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:59,228 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,228 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,229 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,229 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,230 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,230 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:59,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,231 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,235 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,235 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,236 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:59,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,236 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,236 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:59,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,237 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:59,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,238 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,247 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:59,247 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:59,379 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,382 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,382 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:59,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,384 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,385 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,385 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,386 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,387 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,387 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:59,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,387 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,394 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,396 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,396 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:59,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,397 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,397 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,398 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,404 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:59,408 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:59,586 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,587 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,587 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,587 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,590 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:59,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,591 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,592 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,592 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:59,593 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:59,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,594 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,594 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:59,594 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 [2018-10-27 06:06:59,595 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,595 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,595 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,603 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:59,603 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:59,628 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,629 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,629 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,629 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,630 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,631 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,635 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,635 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:59,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,635 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:59,636 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:59,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,637 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,637 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:59,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,638 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,638 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,638 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:59,647 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:06:59,648 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:06:59,739 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,739 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,740 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,740 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,741 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:59,741 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,742 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,743 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,743 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:59,743 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:59,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,748 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:59,749 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,751 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,753 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:06:59,753 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 4#L13-3true assume true; 8#L13-1true assume !!(main_~x~0 % 4294967296 < 268435455);assume { :begin_inline_f } true;f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := f_~z + 2; 13#L9true main_#t~ret0 := f_#res;assume { :end_inline_f } true;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 4#L13-3true [2018-10-27 06:06:59,753 INFO L795 eck$LassoCheckResult]: Loop: 4#L13-3true assume true; 8#L13-1true assume !!(main_~x~0 % 4294967296 < 268435455);assume { :begin_inline_f } true;f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := f_~z + 2; 13#L9true main_#t~ret0 := f_#res;assume { :end_inline_f } true;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 4#L13-3true [2018-10-27 06:06:59,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash 28694885, now seen corresponding path program 2 times [2018-10-27 06:06:59,754 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:59,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:59,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:59,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:59,770 INFO L82 PathProgramCache]: Analyzing trace with hash 35943, now seen corresponding path program 2 times [2018-10-27 06:06:59,770 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:59,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:59,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,771 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:59,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:59,781 INFO L82 PathProgramCache]: Analyzing trace with hash 150833283, now seen corresponding path program 3 times [2018-10-27 06:06:59,781 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:59,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:59,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,783 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:59,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:59,960 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:07:00,093 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 06:07:00,102 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:00,102 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:00,102 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:00,102 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:00,102 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:07:00,103 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:00,103 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:00,103 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:00,103 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-10-27 06:07:00,103 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:00,103 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:00,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:00,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:00,270 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:00,270 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:07:00,275 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:07:00,275 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/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 [2018-10-27 06:07:00,513 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:07:00,513 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:07:12,655 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:07:12,668 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:12,668 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:12,668 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:12,668 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:12,669 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:07:12,669 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:12,669 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:12,669 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:12,669 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-10-27 06:07:12,669 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:12,669 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:12,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:12,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:12,815 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:12,815 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:07:12,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,817 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:12,817 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:12,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,817 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,818 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:12,819 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:12,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,825 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,825 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:07:12,826 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,826 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,826 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,826 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:12,827 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:12,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,827 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,828 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:12,828 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:12,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,831 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,831 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:07:12,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,838 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:12,838 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:12,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,839 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,840 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:12,840 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:12,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,850 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,850 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:07:12,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:12,852 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:12,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,852 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:12,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,853 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:12,854 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:12,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,866 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,867 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:07:12,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,868 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,868 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:12,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,868 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:12,869 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:12,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,869 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,870 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,870 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:12,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:12,871 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:12,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,889 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,889 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:07:12,889 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,890 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:12,890 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,890 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,890 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:12,891 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:12,891 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,892 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,895 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,896 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,896 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:12,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,896 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:12,898 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:12,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,926 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,927 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:07:12,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,928 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,928 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:12,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,929 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:12,930 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:12,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:12,930 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:12,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:12,931 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:12,931 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:12,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:12,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:12,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:12,940 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:12,942 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:12,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:13,005 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:13,005 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:07:13,005 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 [2018-10-27 06:07:13,006 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:13,006 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:13,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:13,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:13,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:13,006 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:13,007 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:13,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:13,013 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:13,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:13,013 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:13,014 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:13,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:13,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:13,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:13,014 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:13,015 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:13,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:13,020 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:13,020 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:07:13,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:13,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:13,021 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:13,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:13,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:13,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:13,021 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:13,022 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:13,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:13,032 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:13,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:13,032 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:13,032 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:13,033 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:13,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:13,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:13,033 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:13,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:13,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:13,059 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:13,377 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-10-27 06:07:13,500 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 06:07:13,519 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:13,520 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:13,520 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:13,520 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:13,520 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:07:13,520 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:13,520 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:13,520 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:13,520 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-10-27 06:07:13,520 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:13,520 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:13,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:13,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:13,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:13,790 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:13,790 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-10-27 06:07:13,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:07:13,801 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:13,815 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:07:13,816 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:13,835 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:07:13,835 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_090704d0-7850-4028-8756-0b9862ec1ab6/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:13,861 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:07:13,861 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:07:26,002 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:07:26,012 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:26,012 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:26,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:26,012 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:26,012 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:07:26,012 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:26,012 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:26,013 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:26,013 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-10-27 06:07:26,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:26,013 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:26,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:26,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:26,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:26,185 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:26,185 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:07:26,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:26,187 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:26,187 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:26,203 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,204 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,204 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:26,205 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:26,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,205 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,206 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,206 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:26,206 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:26,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,207 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,207 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:07:26,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,216 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,218 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:26,218 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:26,236 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,237 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,237 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:26,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,238 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,238 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,238 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,239 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,239 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:26,239 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,239 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,247 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:07:26,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,248 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,250 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:26,250 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:26,273 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,274 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,274 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:26,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,274 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,275 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,281 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,282 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:26,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,282 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,282 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:07:26,282 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,283 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:26,285 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:26,285 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:26,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,321 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:26,322 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:26,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,322 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:26,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,330 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:26,330 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:26,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,330 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,331 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:07:26,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,335 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:26,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,336 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,338 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:26,338 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:26,438 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,438 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,438 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:26,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,439 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,443 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:26,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,444 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,444 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:26,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,445 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:26,445 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:26,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,446 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,446 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:07:26,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,446 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,446 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:26,446 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,447 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,458 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:26,458 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:26,774 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,779 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:26,779 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,779 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,780 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:26,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,780 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,781 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,781 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,781 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:26,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:26,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,782 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:26,782 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:26,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:26,783 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:26,783 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:07:26,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:26,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:26,793 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:26,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:26,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:26,797 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:26,803 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:26,803 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:27,460 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,461 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 [2018-10-27 06:07:27,461 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,461 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:27,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:27,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,462 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:27,462 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:27,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:27,463 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:27,470 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,470 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:27,470 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:27,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,471 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:27,471 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:27,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:27,472 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,472 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:07:27,473 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:27,473 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,473 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:27,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,473 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:27,482 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:27,483 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:27,560 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,560 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:27,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,560 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:27,561 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:27,561 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,561 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:27,561 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:27,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:27,562 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:27,562 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,562 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:27,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:27,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,563 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:27,563 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:27,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:27,573 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:27,573 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:07:27,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:27,573 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:27,574 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:27,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:27,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:27,574 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:27,577 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:27,577 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:28,156 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:28,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:28,157 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:28,158 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:28,158 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:28,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:28,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:28,158 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:28,158 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:28,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:28,160 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:28,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:28,160 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:28,160 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:28,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:28,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:28,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:28,161 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:28,161 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:28,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:28,163 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:28,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:07:28 BoogieIcfgContainer [2018-10-27 06:07:28,178 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:07:28,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:07:28,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:07:28,179 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:07:28,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:31" (3/4) ... [2018-10-27 06:07:28,185 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:07:28,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:07:28,186 INFO L168 Benchmark]: Toolchain (without parser) took 57376.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 958.0 MB in the beginning and 1.2 GB in the end (delta: -291.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:28,188 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:28,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.02 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:28,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:28,190 INFO L168 Benchmark]: Boogie Preprocessor took 20.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:28,191 INFO L168 Benchmark]: RCFGBuilder took 426.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:28,191 INFO L168 Benchmark]: BuchiAutomizer took 56695.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.0 MB). Peak memory consumption was 338.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:28,191 INFO L168 Benchmark]: Witness Printer took 7.13 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:28,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.02 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56695.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.0 MB). Peak memory consumption was 338.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.13 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 56.5s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 583ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.5s - 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~ret0, main_~x~0;main_~x~0 := 0;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 268435455);assume { :begin_inline_f } true;f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := f_~z + 2;" "main_#t~ret0 := f_#res;assume { :end_inline_f } true;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 268435455);assume { :begin_inline_f } true;f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := f_~z + 2;" "main_#t~ret0 := f_#res;assume { :end_inline_f } true;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...