./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:12:04,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:04,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:04,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:04,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:04,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:04,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:04,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:04,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:04,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:04,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:04,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:04,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:04,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:04,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:04,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:04,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:04,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:04,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:04,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:04,815 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:04,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:04,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:04,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:04,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:04,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:04,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:04,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:04,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:04,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:04,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:04,823 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:04,823 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:04,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:04,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:04,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:04,825 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:12:04,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:04,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:04,839 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:12:04,839 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:12:04,839 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:12:04,839 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:12:04,839 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:12:04,839 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:12:04,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:04,840 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:12:04,841 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:12:04,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:04,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:04,844 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:12:04,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:04,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:12:04,844 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:12:04,845 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:12:04,845 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_1c34e4be-226d-4335-9d85-af23c3ef45ed/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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-10-27 06:12:04,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:04,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:04,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:04,883 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:04,884 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:04,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-10-27 06:12:04,930 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/data/0d6e64ddc/a85f44ee4ca049778a6d97ba16c25308/FLAGb9c666f52 [2018-10-27 06:12:05,288 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:05,288 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-10-27 06:12:05,293 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/data/0d6e64ddc/a85f44ee4ca049778a6d97ba16c25308/FLAGb9c666f52 [2018-10-27 06:12:05,303 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/data/0d6e64ddc/a85f44ee4ca049778a6d97ba16c25308 [2018-10-27 06:12:05,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:05,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:12:05,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:05,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:05,312 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:05,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05, skipping insertion in model container [2018-10-27 06:12:05,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:05,339 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:05,454 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:05,457 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:05,465 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:05,475 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:05,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05 WrapperNode [2018-10-27 06:12:05,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:05,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:05,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:05,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:05,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:05,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:05,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:05,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:05,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... [2018-10-27 06:12:05,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:05,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:05,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:05,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:05,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:05,823 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:05,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05 BoogieIcfgContainer [2018-10-27 06:12:05,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:05,824 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:12:05,824 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:12:05,829 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:12:05,830 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:05" (1/3) ... [2018-10-27 06:12:05,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44d6bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:05, skipping insertion in model container [2018-10-27 06:12:05,831 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:05" (2/3) ... [2018-10-27 06:12:05,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44d6bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:05, skipping insertion in model container [2018-10-27 06:12:05,832 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05" (3/3) ... [2018-10-27 06:12:05,834 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-10-27 06:12:05,887 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:12:05,887 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:12:05,887 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:12:05,888 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:12:05,888 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:05,888 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:05,888 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:12:05,888 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:05,888 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:12:05,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:12:05,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:12:05,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:05,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:05,932 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:12:05,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:12:05,932 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:12:05,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:12:05,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:12:05,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:05,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:05,934 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:12:05,934 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:12:05,942 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true [2018-10-27 06:12:05,942 INFO L795 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-10-27 06:12:05,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:05,950 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:12:05,952 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:05,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:05,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:05,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:06,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:12:06,037 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:06,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:06,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:06,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:06,063 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:12:06,063 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:06,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:06,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:06,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:06,216 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 06:12:06,315 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:06,316 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:06,316 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:06,316 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:06,316 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:12:06,316 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:06,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:06,317 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:06,317 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:12:06,317 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:06,317 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:06,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,723 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-10-27 06:12:07,095 WARN L179 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-10-27 06:12:07,101 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:07,102 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:07,106 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:07,106 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:07,112 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:12:07,112 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:07,129 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:07,129 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:07,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:12:07,155 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:07,227 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:12:07,229 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:07,229 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:07,229 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:07,229 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:07,229 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:12:07,229 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:07,229 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:07,229 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:07,229 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:12:07,229 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:07,230 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:07,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:07,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:07,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:07,871 WARN L179 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-10-27 06:12:08,073 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-10-27 06:12:08,075 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:08,079 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:12:08,081 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,082 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,083 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,083 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:08,085 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:08,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,086 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:08,089 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:08,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,090 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,092 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:08,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:08,110 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-10-27 06:12:08,111 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:12:08,335 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,336 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:12:08,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,347 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,347 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:08,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,348 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,350 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,350 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:08,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,351 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,352 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:08,352 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,373 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-10-27 06:12:08,373 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-10-27 06:12:08,524 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,526 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:12:08,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,527 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:08,528 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:08,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,528 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,532 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:08,533 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:08,534 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,535 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,536 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,537 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,538 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:08,538 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:08,563 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:08,563 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:08,683 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,683 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:12:08,683 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,684 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,684 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,684 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,684 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,684 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:08,685 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:08,685 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,685 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,686 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,686 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,687 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:08,687 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:08,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,688 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:08,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,689 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:08,689 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:08,716 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-10-27 06:12:08,716 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-10-27 06:12:08,860 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,863 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:12:08,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,864 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:08,864 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:08,864 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,864 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,865 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,867 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:08,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,868 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,869 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:08,869 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:08,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:08,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:08,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,870 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:08,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:08,871 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:08,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:08,876 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:08,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:08,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:08,877 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:08,878 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:08,925 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-10-27 06:12:08,925 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-10-27 06:12:09,033 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,033 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:12:09,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,035 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,035 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:09,035 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,035 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,035 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,035 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,036 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:09,036 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,037 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,041 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,041 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:09,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,041 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,042 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:09,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,043 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,044 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,044 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:09,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,045 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:09,045 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,063 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:09,063 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:09,315 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,316 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:12:09,316 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,316 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,316 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,317 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,317 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:09,320 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:09,320 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,321 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,322 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,322 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:09,326 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:09,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,327 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,327 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,328 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:09,328 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:09,352 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-10-27 06:12:09,353 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-10-27 06:12:09,770 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,770 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:12:09,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,771 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,771 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:09,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,771 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,772 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:09,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,773 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,775 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,775 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:09,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,775 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,776 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:09,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,777 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,778 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:09,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,778 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:09,778 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:09,795 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:09,795 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:09,940 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,940 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:12:09,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,941 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,942 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,944 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:09,944 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:09,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,946 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,949 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,950 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:09,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:09,950 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:09,951 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:09,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:09,953 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:09,954 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:09,956 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:09,956 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:09,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:09,957 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:09,957 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:09,974 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-10-27 06:12:09,974 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-10-27 06:12:10,182 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:10,182 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:12:10,183 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-10-27 06:12:10,183 INFO L795 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-10-27 06:12:10,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:10,184 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-10-27 06:12:10,185 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:10,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-10-27 06:12:10,198 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:10,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:10,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,201 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:12:10,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:10,209 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-10-27 06:12:10,209 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:10,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:10,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:12:10,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:10,330 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 06:12:10,442 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 06:12:10,582 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-27 06:12:10,675 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:10,675 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:10,675 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:10,675 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:10,675 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:12:10,676 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:10,676 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:10,676 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:10,676 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:12:10,676 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:10,676 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:10,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:10,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:10,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:10,970 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-10-27 06:12:11,088 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-10-27 06:12:11,089 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:11,089 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:11,092 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:11,093 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:11,095 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:12:11,095 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:11,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:11,113 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:11,116 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:12:11,116 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:11,136 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:11,137 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c34e4be-226d-4335-9d85-af23c3ef45ed/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:11,165 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:12:11,165 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:11,326 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:12:11,330 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:11,330 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:11,330 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:11,330 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:11,331 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:12:11,331 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:11,331 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:11,331 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:11,331 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:12:11,331 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:11,331 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:11,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:11,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:11,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:11,846 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-10-27 06:12:12,186 WARN L179 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-10-27 06:12:12,187 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:12,187 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:12:12,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,189 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:12,189 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:12,189 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,190 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,191 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:12,191 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:12,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,191 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,192 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 [2018-10-27 06:12:12,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,192 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:12,197 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-10-27 06:12:12,197 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:12:12,229 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,229 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:12:12,229 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 [2018-10-27 06:12:12,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,230 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,230 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:12,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,231 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,231 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,232 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,232 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,232 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:12,232 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,233 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,233 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,234 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,240 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,248 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-10-27 06:12:12,248 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-10-27 06:12:12,443 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,443 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:12:12,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,444 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,445 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:12,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,445 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,449 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,449 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:12,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,450 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,455 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,455 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,456 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,456 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,470 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:12,470 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:12,535 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,535 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:12:12,535 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,536 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,536 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,536 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:12,537 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,537 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,537 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,537 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,538 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,543 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,543 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:12,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,543 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,544 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:12,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,544 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,544 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,558 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-10-27 06:12:12,558 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-10-27 06:12:12,624 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,624 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:12:12,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,625 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,625 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:12,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,625 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,625 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:12,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,629 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,630 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,630 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:12,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,631 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:12:12,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,631 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,632 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:12,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,633 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,633 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:12:12,645 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-10-27 06:12:12,645 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-10-27 06:12:12,706 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,706 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:12:12,707 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,707 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,707 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:12,707 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,708 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,708 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,708 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,708 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:12,708 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,709 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,710 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,715 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:12,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,715 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,716 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:12,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,716 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,717 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,717 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:12:12,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,718 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,718 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,733 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:12,733 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:12,874 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,874 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:12:12,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,875 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:12,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,876 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,876 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:12,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,877 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,878 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:12,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,884 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,885 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:12:12,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:12,885 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,886 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,886 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:12,886 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,886 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:12,886 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:12:12,904 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-10-27 06:12:12,904 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-10-27 06:12:12,996 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:12,996 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:12:12,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:12,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:12,997 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:12,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:12,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:12,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:12,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:12,997 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:12,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:13,002 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:13,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:13,003 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:13,003 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:13,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:13,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:13,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:13,003 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:13,003 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:12:13,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:13,004 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:13,004 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:13,005 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:13,005 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:12:13,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:13,005 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:13,005 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:12:13,018 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-10-27 06:12:13,018 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:12:13,217 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:13,217 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:12:13,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:13,220 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:13,220 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:13,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:13,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:13,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:13,220 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:13,220 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:13,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:13,222 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:13,222 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 [2018-10-27 06:12:13,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:13,222 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:13,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:13,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:13,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:13,223 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:13,223 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:13,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:13,224 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:13,224 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:12:13,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:12:13,225 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:12:13,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:13,225 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-10-27 06:12:13,225 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:12:13,245 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-10-27 06:12:13,245 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-10-27 06:12:14,048 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:12:14 BoogieIcfgContainer [2018-10-27 06:12:14,056 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:12:14,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:12:14,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:12:14,056 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:12:14,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05" (3/4) ... [2018-10-27 06:12:14,062 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:12:14,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:12:14,064 INFO L168 Benchmark]: Toolchain (without parser) took 8757.75 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 959.8 MB in the beginning and 913.7 MB in the end (delta: 46.1 MB). Peak memory consumption was 372.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:14,066 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:14,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.88 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 943.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:14,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.35 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:14,068 INFO L168 Benchmark]: Boogie Preprocessor took 15.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:14,068 INFO L168 Benchmark]: RCFGBuilder took 303.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:14,069 INFO L168 Benchmark]: BuchiAutomizer took 8231.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 235.3 MB). Peak memory consumption was 417.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:14,069 INFO L168 Benchmark]: Witness Printer took 7.39 ms. Allocated memory is still 1.4 GB. Free memory is still 913.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:14,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.88 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 943.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.35 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8231.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 235.3 MB). Peak memory consumption was 417.9 MB. Max. memory is 11.5 GB. * Witness Printer took 7.39 ms. Allocated memory is still 1.4 GB. Free memory is still 913.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp87 dnf214 smp81 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 823ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2);" Loop: "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...