./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:12:58,135 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:12:58,136 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:12:58,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:12:58,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:12:58,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:12:58,146 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:12:58,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:12:58,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:12:58,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:12:58,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:12:58,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:12:58,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:12:58,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:12:58,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:12:58,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:12:58,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:12:58,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:12:58,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:12:58,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:12:58,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:12:58,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:12:58,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:12:58,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:12:58,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:12:58,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:12:58,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:12:58,162 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:12:58,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:12:58,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:12:58,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:12:58,164 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:12:58,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:12:58,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:12:58,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:12:58,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:12:58,166 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 14:12:58,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:12:58,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:12:58,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:12:58,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:12:58,179 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 14:12:58,179 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 14:12:58,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:12:58,180 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 14:12:58,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 14:12:58,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 14:12:58,181 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 14:12:58,182 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 14:12:58,182 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2018-12-08 14:12:58,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:12:58,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:12:58,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:12:58,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:12:58,216 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:12:58,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-08 14:12:58,252 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/data/23fc26d0d/0cc79a69fe994b9bb2914632dfed4913/FLAG3a78ef794 [2018-12-08 14:12:58,683 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:12:58,683 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-08 14:12:58,686 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/data/23fc26d0d/0cc79a69fe994b9bb2914632dfed4913/FLAG3a78ef794 [2018-12-08 14:12:58,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/data/23fc26d0d/0cc79a69fe994b9bb2914632dfed4913 [2018-12-08 14:12:58,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:12:58,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:12:58,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:12:58,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:12:58,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:12:58,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58, skipping insertion in model container [2018-12-08 14:12:58,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:12:58,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:12:58,793 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:12:58,795 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:12:58,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:12:58,811 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:12:58,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58 WrapperNode [2018-12-08 14:12:58,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:12:58,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:12:58,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:12:58,812 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:12:58,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:12:58,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:12:58,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:12:58,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:12:58,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... [2018-12-08 14:12:58,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:12:58,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:12:58,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:12:58,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:12:58,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:12:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:12:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:12:58,977 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:12:58,977 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 14:12:58,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:12:58 BoogieIcfgContainer [2018-12-08 14:12:58,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:12:58,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 14:12:58,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 14:12:58,980 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 14:12:58,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 14:12:58,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 02:12:58" (1/3) ... [2018-12-08 14:12:58,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720b4cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 02:12:58, skipping insertion in model container [2018-12-08 14:12:58,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 14:12:58,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:12:58" (2/3) ... [2018-12-08 14:12:58,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720b4cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 02:12:58, skipping insertion in model container [2018-12-08 14:12:58,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 14:12:58,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:12:58" (3/3) ... [2018-12-08 14:12:58,983 INFO L375 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-08 14:12:59,017 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:12:59,018 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 14:12:59,018 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 14:12:59,018 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 14:12:59,018 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:12:59,018 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:12:59,018 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 14:12:59,018 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:12:59,018 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 14:12:59,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 14:12:59,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:12:59,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 14:12:59,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 14:12:59,042 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 14:12:59,043 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 14:12:59,043 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 14:12:59,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-08 14:12:59,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:12:59,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 14:12:59,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 14:12:59,044 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 14:12:59,044 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 14:12:59,048 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2018-12-08 14:12:59,049 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2018-12-08 14:12:59,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:12:59,052 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-08 14:12:59,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:12:59,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:12:59,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:12:59,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:12:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:12:59,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:12:59,111 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2018-12-08 14:12:59,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:12:59,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:12:59,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:12:59,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:12:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:12:59,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:12:59,128 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2018-12-08 14:12:59,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:12:59,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:12:59,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:12:59,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:12:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:12:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:12:59,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:12:59,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-12-08 14:12:59,218 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:12:59,219 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:12:59,219 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:12:59,219 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:12:59,219 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 14:12:59,219 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:12:59,219 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:12:59,219 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:12:59,219 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-08 14:12:59,219 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:12:59,219 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:12:59,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:12:59,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:12:59,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:12:59,316 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:12:59,317 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:12:59,320 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:12:59,320 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:12:59,341 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 14:12:59,341 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,019 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 14:13:00,021 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:00,021 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:00,021 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:00,021 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:00,021 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 14:13:00,021 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,021 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:00,021 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:00,021 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-08 14:13:00,021 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:00,021 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:00,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,071 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:00,074 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 14:13:00,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,078 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:00,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,084 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,084 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,085 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,086 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:00,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,088 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 14:13:00,088 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,089 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,090 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,096 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,096 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,096 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,097 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,097 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,098 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,099 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,099 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,100 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 14:13:00,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,101 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,102 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,110 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,111 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,111 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,112 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-08 14:13:00,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,114 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,114 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,115 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,115 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 14:13:00,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,117 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,118 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,125 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,126 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,126 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,127 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-08 14:13:00,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,129 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,129 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,130 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 14:13:00,131 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,131 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,132 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,133 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,141 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,141 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,141 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,142 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,142 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,143 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,143 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,148 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,148 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,149 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,149 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,150 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 14:13:00,150 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,151 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,151 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,152 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,153 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,162 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,162 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,162 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,162 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,162 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,163 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,164 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-08 14:13:00,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,172 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,172 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,172 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,173 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,174 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 14:13:00,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,175 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,176 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,176 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,177 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,188 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 [2018-12-08 14:13:00,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,189 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,190 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,190 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,191 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-08 14:13:00,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,199 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,199 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,200 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,201 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,202 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 14:13:00,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,202 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,202 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,203 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,204 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,209 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,209 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,210 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,210 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,210 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,210 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,210 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,210 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,211 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-08 14:13:00,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,214 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,214 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,214 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,215 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,215 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,217 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 14:13:00,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,218 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,218 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,219 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,229 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,229 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,230 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,230 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,230 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 14:13:00,230 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,231 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 14:13:00,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,235 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,236 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,236 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,236 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,237 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:13:00,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:13:00,250 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-12-08 14:13:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:13:00,257 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-12-08 14:13:00,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:13:00,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2018-12-08 14:13:00,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:13:00,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2018-12-08 14:13:00,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-12-08 14:13:00,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-12-08 14:13:00,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2018-12-08 14:13:00,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 14:13:00,264 INFO L705 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-08 14:13:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2018-12-08 14:13:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-12-08 14:13:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 14:13:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2018-12-08 14:13:00,281 INFO L728 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-08 14:13:00,281 INFO L608 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-08 14:13:00,281 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 14:13:00,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2018-12-08 14:13:00,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:13:00,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 14:13:00,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 14:13:00,282 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 14:13:00,282 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 14:13:00,283 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2018-12-08 14:13:00,283 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-12-08 14:13:00,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:00,283 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-12-08 14:13:00,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:00,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:00,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:13:00,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:00,287 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2018-12-08 14:13:00,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:00,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:00,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,288 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 14:13:00,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:00,293 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2018-12-08 14:13:00,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:00,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:00,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:13:00,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:00,323 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:00,324 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:00,324 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:00,324 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:00,324 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 14:13:00,324 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,324 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:00,324 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:00,324 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 14:13:00,324 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:00,324 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:00,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,394 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:00,394 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,396 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,396 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 14:13:00,413 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,529 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 14:13:00,531 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:00,531 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:00,531 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:00,531 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:00,531 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 14:13:00,531 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,531 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:00,531 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:00,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 14:13:00,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:00,531 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:00,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,591 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:00,591 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 14:13:00,592 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,592 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,593 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:00,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,595 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,596 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,596 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:00,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,597 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 [2018-12-08 14:13:00,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,597 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:00,598 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:00,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,598 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,598 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 14:13:00,598 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,599 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,599 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,599 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,599 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,600 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,600 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,603 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,604 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,604 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,604 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,605 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 [2018-12-08 14:13:00,605 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,606 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,606 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,607 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 14:13:00,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,608 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,609 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,609 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,613 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,613 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,613 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,614 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,614 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,615 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,616 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,616 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,616 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 14:13:00,617 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,617 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,618 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,622 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,622 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:00,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,624 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,625 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,625 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,626 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 14:13:00,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,626 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,626 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,627 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,628 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,628 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,640 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,640 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,640 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,641 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,641 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,642 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,642 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,642 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:00,643 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:00,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,643 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 14:13:00,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,644 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,644 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,644 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,645 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,669 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,670 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,671 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,673 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,673 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:00,673 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,673 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,674 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,675 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,676 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 14:13:00,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,676 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,677 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,677 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,678 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,705 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,705 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,706 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,706 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,706 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,706 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,706 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,707 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,707 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,708 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,708 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,709 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,709 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,709 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,709 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:00,710 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:00,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,710 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 14:13:00,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,711 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,711 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,712 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,712 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,717 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,718 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,718 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,718 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,718 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,719 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,719 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,721 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:00,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,721 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:00,722 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:00,722 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,723 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 14:13:00,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,724 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,724 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,725 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,734 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,735 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,735 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,737 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:00,737 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:00,737 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:00,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:00,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:00,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:00,738 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:00,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:00,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:00,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:00,744 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:00,744 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:00,744 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:00,745 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:00,745 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 14:13:00,745 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,745 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:00,745 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:00,745 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-08 14:13:00,745 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:00,745 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:00,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:00,822 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:00,822 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,823 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,824 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,828 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 14:13:00,828 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 /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,843 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,843 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,845 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 14:13:00,845 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,868 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,869 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,871 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 14:13:00,871 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,890 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,890 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:00,892 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 14:13:00,892 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:00,907 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:00,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 14:13:00,927 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:01,069 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 14:13:01,071 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:01,072 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:01,072 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:01,072 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:01,072 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 14:13:01,072 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,072 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:01,072 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:01,072 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-08 14:13:01,072 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:01,072 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:01,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,144 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:01,145 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 14:13:01,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,146 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,146 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,147 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 [2018-12-08 14:13:01,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,149 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,149 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 14:13:01,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,152 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,152 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,153 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,154 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,155 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,155 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,156 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,157 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,159 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 14:13:01,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,160 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,160 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,160 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,161 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,161 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,162 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 14:13:01,162 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 14:13:01,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,164 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,165 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,165 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,166 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,166 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,167 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,167 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,168 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,168 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,168 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,168 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,169 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,171 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 14:13:01,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,172 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,173 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,174 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,175 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 14:13:01,175 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 14:13:01,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,178 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,178 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,179 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,180 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,181 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,181 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,182 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,182 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,182 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,183 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,183 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,186 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 14:13:01,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,187 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,187 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,188 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 [2018-12-08 14:13:01,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,189 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,190 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 14:13:01,190 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 14:13:01,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,193 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,193 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,193 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,194 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,194 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,195 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,195 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,195 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,195 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,196 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,197 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,198 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,201 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 14:13:01,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,202 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,202 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,202 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,203 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,204 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,204 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,204 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,205 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 14:13:01,205 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 14:13:01,208 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,209 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,209 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,209 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,210 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,211 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,212 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,212 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,212 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,212 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,214 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,214 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,214 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,215 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,221 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 14:13:01,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,222 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,223 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,223 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,225 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,226 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,227 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 14:13:01,227 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 14:13:01,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,231 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,231 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,232 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,232 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,232 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,233 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,234 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,234 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,235 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,235 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,237 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,238 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,239 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,239 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,251 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 14:13:01,251 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,252 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,252 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,252 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,253 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,253 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,253 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,254 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,255 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,255 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,256 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,257 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 14:13:01,257 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 14:13:01,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,264 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,265 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,265 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,266 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,267 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,268 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,268 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,269 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,271 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,271 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,272 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,309 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,325 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 14:13:01,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,325 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,326 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,327 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,327 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,328 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,329 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,329 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,330 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,331 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 14:13:01,331 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 14:13:01,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,335 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,335 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,335 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,335 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,337 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,338 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,338 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,339 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,340 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,340 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,340 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,340 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,341 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,345 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 14:13:01,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,346 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,346 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,346 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,346 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,349 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,349 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,349 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,350 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 14:13:01,351 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 14:13:01,355 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,355 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,356 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,356 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,356 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,356 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,356 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,356 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,357 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,359 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,359 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,359 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,360 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,363 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,364 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,371 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 14:13:01,372 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-12-08 14:13:01,372 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-12-08 14:13:01,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,372 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2018-12-08 14:13:01,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:13:01,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,379 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2018-12-08 14:13:01,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,380 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 14:13:01,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2018-12-08 14:13:01,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,384 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 14:13:01,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:13:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:13:01,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:13:01,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:13:01,431 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:01,431 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:01,431 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:01,431 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:01,431 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 14:13:01,431 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,431 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:01,432 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:01,432 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 14:13:01,432 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:01,432 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:01,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,495 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:01,495 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:01,498 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,525 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 14:13:01,525 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:01,649 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 14:13:01,651 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:01,651 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:01,651 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:01,651 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:01,651 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 14:13:01,652 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,652 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:01,652 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:01,652 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 14:13:01,652 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:01,652 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:01,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,704 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:01,704 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 14:13:01,705 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,705 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,705 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,706 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,706 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,706 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,708 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,708 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,709 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,709 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,709 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,709 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,709 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,710 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,710 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:01,711 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:01,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,711 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 14:13:01,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,712 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,712 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,713 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,715 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,715 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,715 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,716 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,717 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,717 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,718 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 14:13:01,718 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,718 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,719 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,719 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,719 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,722 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 [2018-12-08 14:13:01,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,722 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,723 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,723 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,724 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 [2018-12-08 14:13:01,724 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,724 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,725 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,725 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,725 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 14:13:01,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,726 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,726 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,727 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,730 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 [2018-12-08 14:13:01,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,731 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,731 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:01,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,732 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,733 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,733 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 14:13:01,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,734 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,735 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,735 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,741 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,741 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,742 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,742 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,743 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,743 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,744 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,744 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 14:13:01,744 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 14:13:01,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,745 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 14:13:01,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,746 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,746 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,746 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,747 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,760 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 [2018-12-08 14:13:01,761 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,761 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,761 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,761 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,762 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,762 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,764 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,764 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 14:13:01,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,764 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,765 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,766 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 14:13:01,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,766 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,766 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,767 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,768 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,785 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,786 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,786 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,788 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,788 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 14:13:01,789 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 14:13:01,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,790 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 14:13:01,790 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,791 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,791 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,791 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,791 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,792 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,796 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,797 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,797 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,797 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,799 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,799 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 14:13:01,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,800 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 14:13:01,800 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 14:13:01,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,802 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 14:13:01,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,802 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,802 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,803 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,804 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,811 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,812 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,812 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,812 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:01,815 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 14:13:01,815 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 14:13:01,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:01,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:01,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:01,816 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 14:13:01,816 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 14:13:01,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:01,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:01,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:13:01,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:13:01,819 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-12-08 14:13:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:13:01,831 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-12-08 14:13:01,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:13:01,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2018-12-08 14:13:01,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:13:01,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2018-12-08 14:13:01,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-12-08 14:13:01,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-12-08 14:13:01,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2018-12-08 14:13:01,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 14:13:01,834 INFO L705 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-08 14:13:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2018-12-08 14:13:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-12-08 14:13:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-08 14:13:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-12-08 14:13:01,835 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-08 14:13:01,835 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-08 14:13:01,835 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 14:13:01,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2018-12-08 14:13:01,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-08 14:13:01,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 14:13:01,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 14:13:01,836 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-08 14:13:01,836 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 14:13:01,836 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-12-08 14:13:01,836 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-12-08 14:13:01,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,837 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-12-08 14:13:01,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,837 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 14:13:01,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,842 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2018-12-08 14:13:01,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:13:01,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:01,847 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2018-12-08 14:13:01,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:13:01,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:13:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:13:01,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:13:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:13:01,872 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:01,872 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:01,872 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:01,872 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:01,872 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 14:13:01,872 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,872 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:01,872 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:01,872 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-08 14:13:01,872 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:01,873 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:01,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:01,937 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:01,937 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,939 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:01,940 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:01,943 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 14:13:01,943 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,970 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 14:13:01,970 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a104d662-ece0-4c76-b4b1-c452aac41931/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:01,990 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 14:13:01,990 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 14:13:02,008 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 14:13:02,009 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 14:13:02,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 14:13:02,010 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 14:13:02,010 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 14:13:02,010 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 14:13:02,010 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 14:13:02,010 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 14:13:02,010 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 14:13:02,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-08 14:13:02,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 14:13:02,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 14:13:02,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:02,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 14:13:02,062 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 14:13:02,062 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 14:13:02,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:02,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:02,063 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:02,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:02,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:02,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:02,064 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:02,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:02,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 14:13:02,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 14:13:02,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 14:13:02,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 14:13:02,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 14:13:02,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 14:13:02,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 14:13:02,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 14:13:02,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 14:13:02,068 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 14:13:02,069 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 14:13:02,069 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-08 14:13:02,070 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 14:13:02,071 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 14:13:02,071 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 14:13:02,071 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2018-12-08 14:13:02,072 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 14:13:02,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:13:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:13:02,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:13:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:13:02,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:13:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:13:02,109 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-08 14:13:02,109 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-12-08 14:13:02,126 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2018-12-08 14:13:02,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-08 14:13:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 14:13:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-12-08 14:13:02,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-12-08 14:13:02,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 14:13:02,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-08 14:13:02,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 14:13:02,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-12-08 14:13:02,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 14:13:02,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-12-08 14:13:02,129 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 14:13:02,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 14:13:02,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 14:13:02,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 14:13:02,130 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-08 14:13:02,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:13:02,130 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 14:13:02,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 14:13:02,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 02:13:02 BoogieIcfgContainer [2018-12-08 14:13:02,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 14:13:02,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:13:02,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:13:02,134 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:13:02,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:12:58" (3/4) ... [2018-12-08 14:13:02,137 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 14:13:02,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:13:02,137 INFO L168 Benchmark]: Toolchain (without parser) took 3441.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 959.7 MB in the beginning and 995.9 MB in the end (delta: -36.1 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:13:02,138 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:13:02,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 949.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:13:02,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.47 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:13:02,139 INFO L168 Benchmark]: Boogie Preprocessor took 10.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:13:02,139 INFO L168 Benchmark]: RCFGBuilder took 137.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:13:02,139 INFO L168 Benchmark]: BuchiAutomizer took 3156.35 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 57.5 MB). Peak memory consumption was 189.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:13:02,140 INFO L168 Benchmark]: Witness Printer took 2.58 ms. Allocated memory is still 1.2 GB. Free memory is still 995.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:13:02,141 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 949.0 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 17.47 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 137.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3156.35 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 57.5 MB). Peak memory consumption was 189.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.58 ms. Allocated memory is still 1.2 GB. Free memory is still 995.9 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 Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div266 bol100 ite112 ukn100 eq149 hnf58 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 5ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...