./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/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 b863c06e3a705bd271aead006d68e66fa05ed392 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:50:37,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:50:37,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:50:37,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:50:37,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:50:37,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:50:37,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:50:37,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:50:37,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:50:37,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:50:37,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:50:37,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:50:37,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:50:37,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:50:37,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:50:37,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:50:37,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:50:37,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:50:37,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:50:37,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:50:37,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:50:37,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:50:37,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:50:37,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:50:37,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:50:37,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:50:37,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:50:37,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:50:37,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:50:37,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:50:37,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:50:37,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:50:37,284 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:50:37,284 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:50:37,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:50:37,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:50:37,285 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 15:50:37,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:50:37,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:50:37,293 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 15:50:37,294 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 15:50:37,294 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 15:50:37,295 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 15:50:37,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:50:37,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 15:50:37,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:50:37,297 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:50:37,297 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 15:50:37,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:50:37,297 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 15:50:37,297 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 15:50:37,298 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 15:50:37,298 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_eed011b2-8ef3-4945-a0b2-c2942af60f66/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 -> b863c06e3a705bd271aead006d68e66fa05ed392 [2018-12-09 15:50:37,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:50:37,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:50:37,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:50:37,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:50:37,324 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:50:37,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-12-09 15:50:37,359 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/data/f2618d6ba/54b03c757f974bc784d383bb93bd9662/FLAG9769d8dba [2018-12-09 15:50:37,791 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:50:37,791 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-12-09 15:50:37,794 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/data/f2618d6ba/54b03c757f974bc784d383bb93bd9662/FLAG9769d8dba [2018-12-09 15:50:37,802 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/data/f2618d6ba/54b03c757f974bc784d383bb93bd9662 [2018-12-09 15:50:37,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:50:37,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:50:37,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:50:37,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:50:37,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:50:37,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37, skipping insertion in model container [2018-12-09 15:50:37,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:50:37,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:50:37,910 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:50:37,912 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:50:37,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:50:37,928 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:50:37,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37 WrapperNode [2018-12-09 15:50:37,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:50:37,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:50:37,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:50:37,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:50:37,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:50:37,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:50:37,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:50:37,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:50:37,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... [2018-12-09 15:50:37,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:50:37,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:50:37,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:50:37,959 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:50:37,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:50:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:50:38,096 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:50:38,096 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 15:50:38,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:50:38 BoogieIcfgContainer [2018-12-09 15:50:38,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:50:38,097 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 15:50:38,097 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 15:50:38,099 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 15:50:38,099 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 15:50:38,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 03:50:37" (1/3) ... [2018-12-09 15:50:38,100 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b0881f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 03:50:38, skipping insertion in model container [2018-12-09 15:50:38,100 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 15:50:38,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:50:37" (2/3) ... [2018-12-09 15:50:38,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b0881f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 03:50:38, skipping insertion in model container [2018-12-09 15:50:38,101 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 15:50:38,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:50:38" (3/3) ... [2018-12-09 15:50:38,102 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_false-unreach-call1_true-termination.i [2018-12-09 15:50:38,136 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:50:38,136 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 15:50:38,136 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 15:50:38,136 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 15:50:38,136 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:50:38,136 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:50:38,137 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 15:50:38,137 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:50:38,137 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 15:50:38,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-09 15:50:38,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 15:50:38,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 15:50:38,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 15:50:38,161 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 15:50:38,161 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 15:50:38,161 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 15:50:38,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-09 15:50:38,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 15:50:38,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 15:50:38,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 15:50:38,162 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 15:50:38,163 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 15:50:38,167 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-12-09 15:50:38,168 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-09 15:50:38,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:50:38,171 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 15:50:38,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:50:38,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:50:38,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:50:38,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:50:38,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-12-09 15:50:38,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:50:38,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:50:38,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:50:38,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:50:38,241 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-12-09 15:50:38,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:50:38,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:50:38,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:50:38,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:50:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:50:38,283 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:50:38,284 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:50:38,284 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:50:38,284 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:50:38,284 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 15:50:38,284 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:38,285 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:50:38,285 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:50:38,285 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-09 15:50:38,285 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:50:38,285 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:50:38,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:38,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:38,402 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:50:38,402 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:38,406 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:50:38,406 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:50:38,413 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 15:50:38,413 INFO L448 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_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:38,428 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:50:38,428 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:38,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 15:50:38,548 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:50:50,741 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 15:50:50,767 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:50:50,767 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:50:50,767 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:50:50,767 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:50:50,767 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 15:50:50,767 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:50,768 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:50:50,768 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:50:50,768 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-09 15:50:50,768 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:50:50,768 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:50:50,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:50,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:50,844 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:50:50,847 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 15:50:50,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,850 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:50:50,852 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:50:50,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,863 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:50:50,863 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:50:50,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,865 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 15:50:50,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,866 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:50:50,867 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:50:50,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,880 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:50:50,880 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:50:50,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,881 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 15:50:50,881 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,882 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:50,883 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:50,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,895 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 [2018-12-09 15:50:50,896 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,896 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:50,897 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:50,897 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,898 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 15:50:50,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,898 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,898 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,899 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:50:50,900 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:50:50,900 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:50:50,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,914 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:50:50,915 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:50:50,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,916 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 15:50:50,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:50,917 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:50:50,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,917 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:50:50,919 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:50:50,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,946 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:50,946 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:50:50,946 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,947 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:50:50,947 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:50:50,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,948 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 15:50:50,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,949 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:50,949 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:50:50,949 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,949 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:50,951 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:50,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,992 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:50,992 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:50:50,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,993 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:50,993 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:50,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:50,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:50,995 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 15:50:50,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:50,995 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:50,995 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:50:50,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:50,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:50,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:50,996 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:50:50,999 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:50:50,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:51,061 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:51,061 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:50:51,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:51,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:51,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:51,062 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:50:51,063 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:50:51,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,064 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 15:50:51,064 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 [2018-12-09 15:50:51,064 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:51,065 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:50:51,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:51,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:51,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:51,065 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:51,066 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:51,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:51,074 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:51,074 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:50:51,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:51,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:51,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:51,075 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:50:51,075 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:50:51,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,077 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 15:50:51,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:51,077 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:51,078 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:50:51,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:51,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:51,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:51,078 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:50:51,080 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:50:51,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:50:51,098 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:50:51,098 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:50:51,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:50:51,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:50:51,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:50:51,099 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:50:51,099 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:50:51,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:50:51,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:50:51,104 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:50:51,105 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:50:51,105 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:50:51,105 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:50:51,105 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 15:50:51,105 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:51,105 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:50:51,105 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:50:51,105 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-09 15:50:51,105 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:50:51,105 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:50:51,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:51,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:51,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:50:51,195 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:50:51,195 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:51,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:50:51,197 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:50:51,200 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 15:50:51,200 INFO L448 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_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:51,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:50:51,217 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:50:51,219 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 15:50:51,219 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:51,235 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:50:51,235 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:50:51,259 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 15:50:51,259 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:51:04,302 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 15:51:04,329 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:51:04,330 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:51:04,330 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:51:04,330 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:51:04,330 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 15:51:04,330 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:04,330 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:51:04,330 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:51:04,331 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-09 15:51:04,331 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:51:04,331 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:51:04,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:04,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:04,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:04,411 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:51:04,411 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 15:51:04,412 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,413 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,413 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:04,413 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:04,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,414 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:04,415 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:04,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,416 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:04,419 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:04,419 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 15:51:04,431 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,431 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 15:51:04,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,432 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,433 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:04,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,434 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,434 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,435 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,435 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:04,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,438 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,439 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 15:51:04,439 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 15:51:04,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,450 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 15:51:04,450 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,450 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,451 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,451 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,451 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,452 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,452 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,453 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,453 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,453 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,454 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,454 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,455 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,455 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,458 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:04,458 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:04,469 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,469 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 15:51:04,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,469 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,470 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,470 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,470 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:04,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,472 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,472 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:04,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,473 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 [2018-12-09 15:51:04,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:04,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,473 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,477 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 15:51:04,477 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 15:51:04,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,492 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 15:51:04,492 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,493 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,493 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,493 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,494 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:04,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,495 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,495 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,495 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:04,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,496 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,497 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,497 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,497 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:04,499 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 15:51:04,499 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 15:51:04,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,525 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 15:51:04,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,526 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,526 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:04,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,527 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,527 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,528 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,528 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,528 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:04,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,529 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,529 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,529 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,530 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,531 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,531 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:04,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,531 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,533 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:04,533 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:04,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,585 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 15:51:04,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,586 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,586 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,586 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,587 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:04,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,588 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,588 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,589 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,590 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:04,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,590 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,591 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 [2018-12-09 15:51:04,591 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,591 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,592 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:04,597 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 15:51:04,597 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 15:51:04,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,713 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 15:51:04,713 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,714 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,714 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,715 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,716 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,717 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,717 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,717 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:04,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,719 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,719 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,719 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:04,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,720 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:04,722 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:04,722 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:04,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,743 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 15:51:04,744 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,744 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,744 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,745 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:04,745 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:04,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,747 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,747 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:04,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,747 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:04,747 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:04,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:04,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:04,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:04,749 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:04,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:04,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:04,749 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:04,751 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 15:51:04,751 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 15:51:04,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:04,790 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-09 15:51:04,790 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-09 15:51:04,790 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-09 15:51:04,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-12-09 15:51:04,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:51:04,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:51:04,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:04,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-12-09 15:51:04,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:51:04,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:51:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,796 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 15:51:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:04,799 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-12-09 15:51:04,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:51:04,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:51:04,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,800 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 15:51:04,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:51:04,832 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:51:04,832 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:51:04,832 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:51:04,832 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:51:04,832 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 15:51:04,833 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:04,833 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:51:04,833 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:51:04,833 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-09 15:51:04,833 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:51:04,833 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:51:04,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:04,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:04,893 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:51:04,894 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:04,896 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:51:04,896 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:05,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 15:51:05,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:51:17,918 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 15:51:17,946 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:51:17,946 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:51:17,946 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:51:17,946 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:51:17,946 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 15:51:17,947 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:17,947 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:51:17,947 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:51:17,947 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-09 15:51:17,947 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:51:17,947 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:51:17,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:17,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:18,005 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:51:18,005 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 15:51:18,005 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 [2018-12-09 15:51:18,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:18,006 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:18,006 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,007 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,008 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,008 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:18,008 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:18,008 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,009 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,010 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 15:51:18,010 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,010 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,010 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,010 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,010 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:18,011 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:18,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,012 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:18,012 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:18,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,014 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 15:51:18,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,014 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,014 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,014 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,015 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,015 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,015 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,015 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,016 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,018 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,018 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 15:51:18,018 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,019 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,019 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:18,019 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:18,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,020 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 [2018-12-09 15:51:18,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:18,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,020 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:18,021 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:18,021 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,023 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 15:51:18,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,024 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,024 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:18,024 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,024 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:18,024 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:18,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,025 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,025 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,025 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:18,025 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,025 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:18,026 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:18,026 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,031 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 15:51:18,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,032 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,032 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:18,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,032 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,032 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,032 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,033 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:18,033 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,035 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,045 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 15:51:18,045 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,045 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,045 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:18,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,046 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:18,046 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:18,046 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,047 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,047 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,047 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:18,047 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,048 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:18,049 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:18,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,071 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 15:51:18,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,072 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:18,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,072 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,073 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,075 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,075 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:18,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,075 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:18,076 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:18,076 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,081 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 15:51:18,081 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 [2018-12-09 15:51:18,081 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,082 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:18,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,082 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:18,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:18,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:18,085 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:18,085 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:18,085 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:18,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:18,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:18,085 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:18,087 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:18,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:18,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:18,127 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:51:18,127 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:51:18,127 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:51:18,127 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:51:18,128 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 15:51:18,128 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:18,128 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:51:18,128 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:51:18,128 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-09 15:51:18,128 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:51:18,128 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:51:18,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:18,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:18,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:18,219 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:51:18,219 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:18,221 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 15:51:18,221 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed011b2-8ef3-4945-a0b2-c2942af60f66/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:18,252 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 15:51:18,253 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 15:51:31,609 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 15:51:31,636 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 15:51:31,637 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 15:51:31,637 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 15:51:31,637 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 15:51:31,637 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 15:51:31,637 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 15:51:31,637 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 15:51:31,637 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 15:51:31,637 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-09 15:51:31,637 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 15:51:31,637 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 15:51:31,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:31,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:31,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 15:51:31,720 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 15:51:31,720 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 15:51:31,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,720 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,720 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,720 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,721 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:31,721 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:31,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,721 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,722 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:31,722 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:31,722 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 15:51:31,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 15:51:31,734 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 15:51:31,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,734 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 15:51:31,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,735 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,735 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:31,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,736 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,737 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 15:51:31,737 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 15:51:31,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,746 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,746 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:31,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,747 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 15:51:31,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,748 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:31,748 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:31,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,749 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:31,750 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:31,750 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:31,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,763 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:31,763 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:31,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,763 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 15:51:31,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,764 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:31,764 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:31,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,765 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:31,766 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 15:51:31,767 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 15:51:31,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 15:51:31,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,784 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:31,784 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:31,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,784 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 15:51:31,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:31,785 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:31,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,786 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,786 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:31,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,787 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:31,787 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:31,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,787 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,787 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,788 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 15:51:31,789 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 15:51:31,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,860 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,861 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:31,861 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:31,861 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,861 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 15:51:31,862 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 15:51:31,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,862 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 15:51:31,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,863 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:31,863 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:31,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:31,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,864 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:31,864 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:31,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:31,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:31,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:31,865 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:31,865 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:31,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:31,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:31,865 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:31,867 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:31,868 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:32,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,105 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,105 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 15:51:32,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,105 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:32,105 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:32,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,106 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 15:51:32,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,107 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,107 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:32,108 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:32,108 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,109 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,109 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,109 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:32,112 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-09 15:51:32,112 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-09 15:51:32,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,629 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,629 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,629 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 15:51:32,629 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 15:51:32,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,630 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 15:51:32,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,630 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,630 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:32,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:32,631 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:32,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,632 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:32,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,632 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:32,633 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 15:51:32,633 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 15:51:32,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,679 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 15:51:32,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,679 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 15:51:32,679 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 15:51:32,679 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,680 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 15:51:32,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,681 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,681 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,681 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:32,681 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:32,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,682 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,683 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,683 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:32,685 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-09 15:51:32,685 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 15:51:32,844 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 15:51:32,845 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 15:51:32,845 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 15:51:32,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 15:51:32,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 15:51:32,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 15:51:32,845 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 15:51:32,845 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 15:51:32,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 15:51:32,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 15:51:32,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 03:51:32 BoogieIcfgContainer [2018-12-09 15:51:32,850 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 15:51:32,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:51:32,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:51:32,850 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:51:32,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:50:38" (3/4) ... [2018-12-09 15:51:32,853 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 15:51:32,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:51:32,854 INFO L168 Benchmark]: Toolchain (without parser) took 55049.32 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.9 MB). Free memory was 962.4 MB in the beginning and 1.3 GB in the end (delta: -305.1 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:51:32,855 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:51:32,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:51:32,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.31 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:51:32,856 INFO L168 Benchmark]: Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:51:32,856 INFO L168 Benchmark]: RCFGBuilder took 137.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:51:32,856 INFO L168 Benchmark]: BuchiAutomizer took 54753.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 278.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -148.2 MB). Peak memory consumption was 470.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:51:32,857 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:51:32,859 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.03 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.31 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 137.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54753.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 278.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -148.2 MB). Peak memory consumption was 470.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 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 54.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.6s. 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: 161ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...