./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:15:12,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:15:12,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:15:12,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:15:12,962 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:15:12,963 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:15:12,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:15:12,967 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:15:12,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:15:12,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:15:12,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:15:12,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:15:12,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:15:12,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:15:12,975 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:15:12,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:15:12,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:15:12,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:15:12,982 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:15:12,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:15:12,985 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:15:12,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:15:12,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:15:12,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:15:12,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:15:12,991 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:15:12,992 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:15:12,993 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:15:12,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:15:12,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:15:12,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:15:12,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:15:12,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:15:12,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:15:12,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:15:13,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:15:13,000 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:15:13,017 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:15:13,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:15:13,019 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:15:13,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:15:13,019 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:15:13,019 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:15:13,020 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:15:13,020 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:15:13,020 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:15:13,020 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:15:13,020 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:15:13,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:15:13,022 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:15:13,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:15:13,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:15:13,023 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:15:13,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:15:13,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:15:13,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:15:13,025 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:15:13,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:15:13,026 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:15:13,026 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:15:13,027 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:15:13,028 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-11-28 23:15:13,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:15:13,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:15:13,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:15:13,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:15:13,095 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:15:13,096 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 23:15:13,165 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176e85efb/1918279c84c444f39b59d0d296537b63/FLAG191a5c1cc [2018-11-28 23:15:13,589 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:15:13,590 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 23:15:13,596 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176e85efb/1918279c84c444f39b59d0d296537b63/FLAG191a5c1cc [2018-11-28 23:15:13,961 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176e85efb/1918279c84c444f39b59d0d296537b63 [2018-11-28 23:15:13,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:15:13,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:15:13,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:15:13,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:15:13,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:15:13,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:13" (1/1) ... [2018-11-28 23:15:13,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cb289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:13, skipping insertion in model container [2018-11-28 23:15:13,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:13" (1/1) ... [2018-11-28 23:15:13,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:15:14,002 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:15:14,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:15:14,180 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:15:14,193 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:15:14,207 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:15:14,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14 WrapperNode [2018-11-28 23:15:14,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:15:14,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:15:14,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:15:14,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:15:14,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:15:14,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:15:14,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:15:14,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:15:14,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... [2018-11-28 23:15:14,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:15:14,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:15:14,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:15:14,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:15:14,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:15:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:15:14,544 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:15:14,544 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:15:14,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:14 BoogieIcfgContainer [2018-11-28 23:15:14,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:15:14,545 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:15:14,545 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:15:14,550 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:15:14,551 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:14,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:15:13" (1/3) ... [2018-11-28 23:15:14,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d16b6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:15:14, skipping insertion in model container [2018-11-28 23:15:14,552 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:14,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:14" (2/3) ... [2018-11-28 23:15:14,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d16b6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:15:14, skipping insertion in model container [2018-11-28 23:15:14,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:14,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:14" (3/3) ... [2018-11-28 23:15:14,556 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 23:15:14,609 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:15:14,610 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:15:14,610 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:15:14,610 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:15:14,610 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:15:14,611 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:15:14,611 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:15:14,611 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:15:14,611 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:15:14,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:15:14,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:15:14,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:14,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:14,656 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:15:14,656 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:15:14,656 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:15:14,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:15:14,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:15:14,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:14,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:14,658 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:15:14,658 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:15:14,666 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2018-11-28 23:15:14,667 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-11-28 23:15:14,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:14,674 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:15:14,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:14,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:14,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:14,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:14,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:14,773 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:15:14,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:14,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:14,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:14,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:14,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:14,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:15:14,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:14,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:14,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:14,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:15,074 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:15,075 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:15,075 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:15,076 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:15,076 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:15,076 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:15,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:15,077 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:15,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:15:15,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:15,078 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:15,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:15,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:15,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:15,932 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-28 23:15:16,480 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-28 23:15:16,491 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:16,492 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:16,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:16,499 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:16,509 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:16,509 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:16,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:16,532 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:16,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:16,584 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:16,668 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:16,670 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:16,670 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:16,670 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:16,671 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:16,671 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:16,671 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:16,671 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:16,671 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:16,672 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:15:16,672 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:16,672 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:16,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:16,789 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:15:16,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:16,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:17,287 WARN L180 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-11-28 23:15:17,988 WARN L180 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-28 23:15:17,998 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:18,004 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:18,007 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 [2018-11-28 23:15:18,008 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,009 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:18,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:18,044 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-28 23:15:18,046 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:15:18,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,301 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,301 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:18,304 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:18,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,311 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:18,311 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:18,312 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,313 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:18,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,314 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:18,314 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:18,344 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 23:15:18,345 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 23:15:18,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,554 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:18,556 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:18,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,561 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:18,562 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:18,562 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,563 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,563 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:18,564 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,565 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:18,565 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:18,601 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:18,601 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:18,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,765 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 [2018-11-28 23:15:18,766 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,767 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:18,768 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:18,770 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,773 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:18,774 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:18,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,775 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:18,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,777 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:18,777 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:18,801 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 23:15:18,802 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 23:15:18,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,935 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:18,936 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:18,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:18,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:18,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:18,938 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:18,939 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:18,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:18,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:18,941 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:18,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:18,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:18,942 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:18,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:18,942 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:18,942 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:18,958 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 23:15:18,958 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 23:15:19,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,101 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,101 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:19,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,103 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:19,103 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:19,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,105 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,105 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,106 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:19,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,106 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:19,109 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:19,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,110 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:19,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,111 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,111 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:19,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,113 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:19,113 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,132 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:19,132 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:19,463 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,466 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,467 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:19,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,470 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,471 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:19,471 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,482 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,483 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:19,483 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,483 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,484 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:19,484 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,486 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:19,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,487 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,487 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:19,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,487 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:19,487 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:19,519 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 23:15:19,519 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 23:15:19,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,720 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 [2018-11-28 23:15:19,720 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,721 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:19,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,721 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:19,722 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:19,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,725 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:19,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,725 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:19,727 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:19,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,729 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:19,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,730 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,730 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:19,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,730 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:19,730 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,744 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:19,744 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:19,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,854 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:19,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,855 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,855 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:19,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:19,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,858 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:19,858 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:19,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:19,858 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:19,859 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:19,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:19,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:19,861 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:19,862 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 [2018-11-28 23:15:19,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:19,862 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:19,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:19,863 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:19,863 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:19,886 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-28 23:15:19,887 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-28 23:15:20,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:20,184 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:20,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:20,185 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:20,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:20,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:20,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:20,185 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:20,186 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:20,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:20,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:20,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:20,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:20,189 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:20,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:20,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:20,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:20,190 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:20,193 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:20,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:20,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:20,196 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:15:20,196 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-11-28 23:15:20,196 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-11-28 23:15:20,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:20,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 23:15:20,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:20,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:20,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:20,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:20,218 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 23:15:20,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:20,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:20,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,219 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:20,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:20,227 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 23:15:20,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:20,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:20,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,229 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:20,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:20,436 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-28 23:15:20,542 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:20,542 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:20,542 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:20,542 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:20,542 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:20,542 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:20,542 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:20,543 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:20,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:15:20,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:20,543 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:20,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:20,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:20,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:20,785 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-11-28 23:15:21,072 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-28 23:15:21,074 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:21,074 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:21,089 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:21,089 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:21,100 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:21,100 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:21,120 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:21,121 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:21,126 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:21,126 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:15:21,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:21,162 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:15:21,213 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:21,213 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:21,286 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:21,288 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:21,288 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:21,288 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:21,288 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:21,288 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:21,288 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:21,288 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:21,288 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:21,289 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:15:21,289 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:21,289 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:21,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:21,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:21,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:21,710 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-28 23:15:22,069 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-28 23:15:22,071 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:22,071 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:22,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,073 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,073 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:22,076 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:22,076 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,077 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 [2018-11-28 23:15:22,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:22,079 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:22,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,080 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,085 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,085 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:22,092 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-28 23:15:22,092 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:15:22,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,146 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:22,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,149 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,149 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:22,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,152 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,153 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,156 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,156 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:22,156 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,159 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,159 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,171 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 23:15:22,173 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 23:15:22,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,283 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:22,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,285 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,285 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,295 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,297 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,300 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,300 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,315 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:22,315 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:22,421 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,422 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:22,422 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,425 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,427 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:22,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,431 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,432 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:22,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:22,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,434 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,434 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,454 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 23:15:22,454 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 23:15:22,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,759 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:22,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,760 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,760 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,761 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,761 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,761 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:22,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,762 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 [2018-11-28 23:15:22,763 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,763 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,763 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,764 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:22,767 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,768 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,768 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,768 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,770 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,779 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 23:15:22,779 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 23:15:22,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,933 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:22,934 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,935 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,935 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,936 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,939 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,939 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,940 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,940 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,942 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,942 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,943 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:22,943 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,959 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:22,959 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:23,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,322 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:23,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,323 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,323 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,325 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,326 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,328 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,328 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,330 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,331 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,331 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:23,332 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,355 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 23:15:23,358 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 23:15:23,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,596 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:23,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,597 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,597 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,598 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,601 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,601 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,605 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,605 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,606 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,606 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,612 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,612 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,612 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:23,612 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,626 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 23:15:23,626 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 23:15:23,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,714 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:23,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,715 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,715 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,716 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:23,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,722 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,723 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,723 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,724 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:23,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,730 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,730 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,733 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 23:15:23,733 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,749 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-28 23:15:23,750 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-28 23:15:23,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:15:23 BoogieIcfgContainer [2018-11-28 23:15:23,983 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:15:23,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:15:23,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:15:23,985 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:15:23,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:14" (3/4) ... [2018-11-28 23:15:23,990 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:15:23,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:15:23,991 INFO L168 Benchmark]: Toolchain (without parser) took 10025.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 946.0 MB in the beginning and 858.2 MB in the end (delta: 87.8 MB). Peak memory consumption was 411.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:23,993 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:23,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:23,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:23,995 INFO L168 Benchmark]: Boogie Preprocessor took 21.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:23,996 INFO L168 Benchmark]: RCFGBuilder took 278.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:23,998 INFO L168 Benchmark]: BuchiAutomizer took 9437.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 858.2 MB in the end (delta: 261.5 MB). Peak memory consumption was 452.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:23,999 INFO L168 Benchmark]: Witness Printer took 6.84 ms. Allocated memory is still 1.4 GB. Free memory is still 858.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:24,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 278.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9437.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 858.2 MB in the end (delta: 261.5 MB). Peak memory consumption was 452.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.84 ms. Allocated memory is still 1.4 GB. Free memory is still 858.2 MB. 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 9.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 245ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...