./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_24_false-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_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/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 37080e652aca30a197dfeef0cd840e0e07570cf4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:56,770 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:56,772 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:56,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:56,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:56,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:56,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:56,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:56,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:56,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:56,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:56,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:56,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:56,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:56,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:56,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:56,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:56,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:56,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:56,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:56,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:56,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:56,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:56,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:56,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:56,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:56,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:56,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:56,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:56,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:56,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:56,812 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:56,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:56,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:56,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:56,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:56,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:06:56,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:56,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:56,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:56,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:56,830 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:56,830 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:56,831 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:56,831 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:56,831 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:56,831 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:56,831 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:56,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:56,832 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:56,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:56,835 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:56,835 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:56,835 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:56,835 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:56,836 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:56,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:56,836 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:56,836 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:56,837 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:56,837 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_fc187e40-528a-477b-b695-9128b554a777/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 -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2018-10-27 06:06:56,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:56,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:56,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:56,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:56,885 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:56,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c [2018-10-27 06:06:56,942 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/data/c742e0525/9a307edfa23145daa51cfb37891f9419/FLAGaf604fd11 [2018-10-27 06:06:57,330 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:57,331 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/sv-benchmarks/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c [2018-10-27 06:06:57,337 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/data/c742e0525/9a307edfa23145daa51cfb37891f9419/FLAGaf604fd11 [2018-10-27 06:06:57,349 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/data/c742e0525/9a307edfa23145daa51cfb37891f9419 [2018-10-27 06:06:57,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:57,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:57,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:57,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:57,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:57,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5008cc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57, skipping insertion in model container [2018-10-27 06:06:57,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:57,388 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:57,515 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:57,519 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:57,530 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:57,540 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:57,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57 WrapperNode [2018-10-27 06:06:57,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:57,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:57,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:57,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:57,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:57,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:57,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:57,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:57,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... [2018-10-27 06:06:57,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:57,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:57,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:57,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:57,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:57,943 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:57,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:57 BoogieIcfgContainer [2018-10-27 06:06:57,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:57,945 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:57,945 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:57,949 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:57,950 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:57,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:57" (1/3) ... [2018-10-27 06:06:57,951 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ac7b0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:57, skipping insertion in model container [2018-10-27 06:06:57,951 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:57,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:57" (2/3) ... [2018-10-27 06:06:57,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ac7b0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:57, skipping insertion in model container [2018-10-27 06:06:57,952 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:57,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:57" (3/3) ... [2018-10-27 06:06:57,954 INFO L375 chiAutomizerObserver]: Analyzing ICFG NO_24_false-termination_true-no-overflow.c [2018-10-27 06:06:58,014 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:58,015 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:58,015 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:58,016 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:58,016 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:58,016 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:58,016 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:58,016 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:58,016 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:58,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:06:58,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:58,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:58,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:58,060 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:58,060 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:58,060 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:58,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:06:58,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:58,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:58,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:58,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:58,062 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:58,071 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 9#L11-3true [2018-10-27 06:06:58,072 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 9#L11-3true [2018-10-27 06:06:58,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:58,079 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:06:58,083 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:58,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:58,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:58,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:58,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:06:58,193 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:58,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:58,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:58,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:06:58,213 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:58,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:58,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:58,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:58,367 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 06:06:58,496 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:58,497 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:58,498 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:58,498 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:58,498 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:58,498 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:58,498 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:58,499 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:58,499 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:06:58,499 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:58,499 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:58,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:58,885 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:06:58,900 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:58,901 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:58,906 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:58,906 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:58,931 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:58,931 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:58,935 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:58,936 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:58,994 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:58,994 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/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) [2018-10-27 06:06:59,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:59,003 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/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) [2018-10-27 06:06:59,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:59,038 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:59,522 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:59,524 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:59,525 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:59,525 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:59,525 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:59,526 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:59,526 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:59,526 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:59,526 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:59,526 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:06:59,527 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:59,527 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:59,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:59,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:59,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:59,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:59,871 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:59,875 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:59,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,878 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,885 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,885 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:59,893 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,895 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,897 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,897 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:59,908 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,909 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,910 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,911 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:59,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,912 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,913 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,914 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:59,917 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:59,918 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:59,954 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,954 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:59,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,956 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,956 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,961 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:59,961 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:59,967 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,970 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,973 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:59,973 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:59,989 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,989 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,990 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:59,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,993 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:59,993 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:59,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:59,995 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:59,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:59,996 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:59,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:59,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:59,996 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:00,003 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:00,003 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:00,043 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,044 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:07:00,044 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 06:07:00,045 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,045 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,048 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,049 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,067 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,070 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,073 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,073 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,083 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,086 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,087 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:00,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,088 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,090 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,096 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,096 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,199 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,200 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:07:00,200 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,201 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,204 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,204 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,211 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,212 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,213 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,216 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,217 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,225 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,226 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,226 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,227 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,228 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:00,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,231 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:00,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,233 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,236 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,237 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,264 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,264 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:07:00,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,266 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,267 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,267 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:00,269 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:00,269 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:00,275 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,276 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,277 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:00,279 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:00,279 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:00,287 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,288 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,288 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,288 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,288 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,291 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:00,291 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:00,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,292 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,293 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,293 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,294 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,294 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:00,296 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:00,297 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:00,322 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,323 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:07:00,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,324 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,324 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:00,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,324 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,329 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,329 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,334 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,336 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:00,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,336 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,340 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,341 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,349 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,351 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,351 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:00,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,352 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,353 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:00,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,357 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,358 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,358 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:00,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,359 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,365 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,367 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,392 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,393 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:07:00,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,394 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,394 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,395 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,400 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,400 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,408 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,410 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,410 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,411 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,411 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,416 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,416 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,426 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,427 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,428 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,430 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:00,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,431 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,432 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,432 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,433 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:00,443 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:00,443 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:00,476 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,476 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:07:00,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,479 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,479 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,480 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,482 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,482 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,489 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,489 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,490 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,490 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,491 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,492 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,492 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,499 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,500 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,502 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,502 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,503 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,504 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:00,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,508 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,509 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,509 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,509 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:00,510 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,510 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,510 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:00,512 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:00,513 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:00,564 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,564 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:07:00,564 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,565 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,566 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,566 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:00,568 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:00,569 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:00,575 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,576 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,577 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,579 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:00,582 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:00,583 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:00,590 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,594 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:00,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,595 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:00,595 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:00,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:00,600 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,601 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:00,609 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:00,610 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:00,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:00,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:00,610 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:00,617 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:00,617 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:00,766 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:00,767 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:07:00,767 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 9#L11-3true assume true; 4#L11-1true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 9#L11-3true [2018-10-27 06:07:00,767 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 9#L11-3true [2018-10-27 06:07:00,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-10-27 06:07:00,770 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:00,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:00,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:00,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:00,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:00,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-10-27 06:07:00,787 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:00,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:00,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,789 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:07:00,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:00,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-10-27 06:07:00,792 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:00,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:00,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,797 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:07:00,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:01,009 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 06:07:01,285 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-27 06:07:01,316 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:01,317 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:01,317 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:01,317 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:01,317 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:07:01,317 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:01,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:01,317 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:01,318 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:07:01,318 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:01,318 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:01,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:01,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:01,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:01,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:01,566 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:07:01,662 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:01,662 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/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 06:07:01,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:07:01,669 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:07:01,714 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:07:01,714 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/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) [2018-10-27 06:07:01,722 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:01,724 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:07:01,747 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:07:01,747 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_fc187e40-528a-477b-b695-9128b554a777/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) [2018-10-27 06:07:01,783 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:07:01,783 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc187e40-528a-477b-b695-9128b554a777/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-10-27 06:07:01,844 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:07:01,845 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:02,256 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:07:02,259 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:02,259 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:02,259 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:02,259 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:02,259 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:07:02,259 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:02,259 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:02,260 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:02,260 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-10-27 06:07:02,260 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:02,260 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:02,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:02,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:02,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:02,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:02,513 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:07:02,560 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:02,561 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:07:02,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,561 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,562 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:02,563 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:02,563 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:02,564 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,565 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:02,566 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:02,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,566 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,567 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,567 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,568 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:02,568 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:02,569 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:02,580 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,581 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,583 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:02,584 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:02,584 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:02,586 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,586 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:07:02,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,587 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,587 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,588 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,588 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,593 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,595 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,595 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:02,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,596 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,597 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,603 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,604 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,610 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,611 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,612 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,612 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,614 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,615 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:07:02,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,616 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,617 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:02,617 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:02,619 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,621 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,621 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:02,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,622 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,623 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,625 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:02,625 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:02,637 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,638 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,639 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:02,639 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:02,646 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,646 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:07:02,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,647 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,647 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:02,652 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:02,652 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:02,654 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,655 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,656 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:02,656 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:02,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,661 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,661 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,661 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,662 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:02,664 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:02,664 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:02,679 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:02,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,683 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:02,685 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:02,685 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:02,690 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,690 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:07:02,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,691 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,691 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:02,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,692 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,696 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,696 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,699 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,700 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,700 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,700 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:02,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,704 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,705 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:07:02,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,706 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,706 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,706 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,707 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:02,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,707 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,713 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,714 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,725 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,726 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:02,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,727 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:07:02,728 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:07:02,728 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:07:02,735 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,735 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:07:02,736 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,736 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:02,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,740 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,741 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:02,742 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:02,747 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,748 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,748 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:02,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:02,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,749 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,750 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:02,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:02,751 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:02,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:02,752 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:02,752 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:02,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:02,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:02,752 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:02,762 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:02,762 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:03,081 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,081 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 06:07:03,082 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,082 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:07:03,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,082 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:03,084 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:03,084 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:03,093 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,093 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:07:03,093 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,094 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,094 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,094 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:03,096 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:03,097 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:03,106 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,107 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:03,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,107 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:03,108 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:07:03,108 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:03,114 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,115 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,115 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:03,122 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:03,123 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:03,140 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,141 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,143 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,143 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:07:03,145 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:07:03,146 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:07:03,153 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,154 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:07:03,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,155 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:03,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,155 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:03,157 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:03,157 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:03,160 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,160 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,160 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:03,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:03,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,168 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:03,169 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:07:03,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:03,170 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,170 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:03,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:03,173 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:03,178 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:03,201 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,203 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,203 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:07:03,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,203 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:07:03,207 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:07:03,207 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:03,211 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,211 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:07:03,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,212 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,212 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,212 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:03,218 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:03,219 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:03,223 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,224 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 06:07:03,224 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,225 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,225 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:03,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,228 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:03,229 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:03,229 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:03,230 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,231 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 06:07:03,231 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,231 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,231 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:03,242 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:03,243 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:03,346 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:07:03,347 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:07:03,347 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:07:03,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:03,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:03,347 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:07:03,349 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:07:03,353 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:07:03,358 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:03,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:07:03 BoogieIcfgContainer [2018-10-27 06:07:03,365 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:07:03,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:07:03,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:07:03,366 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:07:03,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:57" (3/4) ... [2018-10-27 06:07:03,372 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:07:03,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:07:03,373 INFO L168 Benchmark]: Toolchain (without parser) took 6020.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.5 MB). Free memory was 962.5 MB in the beginning and 1.0 GB in the end (delta: -72.8 MB). Peak memory consumption was 186.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,374 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:03,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:03,375 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,376 INFO L168 Benchmark]: RCFGBuilder took 352.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -216.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,376 INFO L168 Benchmark]: BuchiAutomizer took 5420.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.5 MB). Peak memory consumption was 339.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,381 INFO L168 Benchmark]: Witness Printer took 6.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:03,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -216.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5420.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.5 MB). Peak memory consumption was 339.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. 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 5.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. 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: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq186 hnf90 smp100 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2;" "assume true;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" Loop: "assume true;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...