./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:22,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:22,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:22,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:22,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:22,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:22,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:22,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:22,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:22,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:22,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:22,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:22,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:22,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:22,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:22,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:22,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:22,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:22,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:22,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:22,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:22,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:22,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:22,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:22,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:22,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:22,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:22,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:22,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:22,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:22,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:22,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:22,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:22,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:22,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:22,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:22,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:22,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:22,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:22,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:22,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:22,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:02:23,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:23,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:23,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:23,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:23,011 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:23,011 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:23,011 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:23,012 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:23,012 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:23,012 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:23,012 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:23,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:23,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:23,013 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:23,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:23,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:23,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:23,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:23,014 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:23,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:23,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:23,015 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:23,016 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:23,016 INFO L138 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_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2019-10-22 09:02:23,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:23,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:23,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:23,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:23,054 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:23,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-10-22 09:02:23,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/data/c137972c8/4c172b1356b14225983f1f2e28719e6f/FLAG854ffb98a [2019-10-22 09:02:23,507 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:23,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-10-22 09:02:23,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/data/c137972c8/4c172b1356b14225983f1f2e28719e6f/FLAG854ffb98a [2019-10-22 09:02:23,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/data/c137972c8/4c172b1356b14225983f1f2e28719e6f [2019-10-22 09:02:23,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:23,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:23,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:23,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:23,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:23,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5408eeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23, skipping insertion in model container [2019-10-22 09:02:23,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:23,556 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:23,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:23,740 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:23,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:23,854 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:23,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23 WrapperNode [2019-10-22 09:02:23,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:23,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:23,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:23,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:23,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:23,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:23,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:23,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:23,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:23,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:23,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:23,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:23,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/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 [2019-10-22 09:02:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:24,114 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:24,115 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 09:02:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:24 BoogieIcfgContainer [2019-10-22 09:02:24,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:24,117 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:24,117 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:24,121 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:24,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:24,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:23" (1/3) ... [2019-10-22 09:02:24,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51849356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:24, skipping insertion in model container [2019-10-22 09:02:24,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:24,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (2/3) ... [2019-10-22 09:02:24,126 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51849356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:24, skipping insertion in model container [2019-10-22 09:02:24,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:24,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:24" (3/3) ... [2019-10-22 09:02:24,128 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-10-22 09:02:24,179 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:24,179 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:24,179 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:24,179 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:24,179 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:24,179 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:24,180 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:24,180 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:24,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 09:02:24,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 09:02:24,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:24,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:24,234 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:02:24,234 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 09:02:24,234 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:24,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 09:02:24,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 09:02:24,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:24,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:24,235 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:02:24,235 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 09:02:24,243 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2019-10-22 09:02:24,243 INFO L793 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-10-22 09:02:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,249 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 09:02:24,259 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:24,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191997467] [2019-10-22 09:02:24,259 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,259 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,336 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,337 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 09:02:24,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:24,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863200831] [2019-10-22 09:02:24,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,359 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 09:02:24,361 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:24,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863556240] [2019-10-22 09:02:24,362 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,362 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,378 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:24,443 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:24,444 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:24,444 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:24,444 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:24,444 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:24,444 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:24,444 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:24,444 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:24,445 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-10-22 09:02:24,445 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:24,445 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:24,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:24,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:24,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:24,678 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-10-22 09:02:24,852 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-10-22 09:02:24,859 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:24,860 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:24,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:24,872 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:24,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:24,879 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:24,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:24,890 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:24,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:24,911 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:24,980 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:02:24,982 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:24,983 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:24,983 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:24,983 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:24,983 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:24,983 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:24,983 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:24,983 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:24,983 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-10-22 09:02:24,983 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:24,984 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:24,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:25,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:25,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:25,285 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-10-22 09:02:25,289 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:25,293 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:25,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,298 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,298 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,298 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:25,298 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:25,323 INFO L400 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-10-22 09:02:25,323 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 09:02:25,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,562 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,563 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:25,563 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,563 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:25,563 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:25,564 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:25,564 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:25,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,566 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,567 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:25,567 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,567 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:25,567 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:25,567 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:25,568 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:25,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,568 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:02:25,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,569 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,570 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,570 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:25,570 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:25,588 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-10-22 09:02:25,588 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-10-22 09:02:25,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,788 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,788 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:25,788 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,789 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:25,789 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:25,790 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:25,790 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:25,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,792 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,792 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:25,793 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,793 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:25,793 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:25,793 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:25,794 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:25,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:25,794 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:02:25,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:25,796 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:25,796 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:25,797 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:25,797 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:25,823 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:25,823 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:26,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,031 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:26,031 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,032 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,033 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,033 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:26,033 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:26,034 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,035 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:26,035 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,036 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,036 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,036 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:26,036 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:26,036 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,037 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:02:26,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,039 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:26,039 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,040 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:26,040 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:26,060 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-10-22 09:02:26,060 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-10-22 09:02:26,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,196 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:26,196 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,197 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,197 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,197 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:26,198 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:26,199 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,201 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:26,201 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,201 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,201 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,201 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:26,202 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:26,202 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,202 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:02:26,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,204 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,204 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:26,205 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,205 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:26,205 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:26,220 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-10-22 09:02:26,220 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-10-22 09:02:26,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,530 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,531 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:26,531 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,531 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,531 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,531 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:26,531 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:26,532 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,533 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,533 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:26,533 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,534 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,534 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,534 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:26,535 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:26,535 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,536 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:02:26,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,537 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,537 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:26,537 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,537 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:26,537 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:26,554 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:26,555 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:26,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,846 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,847 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:26,852 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,852 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,852 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,852 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:26,853 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:26,853 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,855 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,855 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:26,855 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:26,855 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,855 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:26,855 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:26,856 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:26,856 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:26,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:26,857 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:02:26,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:26,861 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:26,862 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:26,862 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:26,862 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:26,862 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:26,886 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-10-22 09:02:26,886 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-10-22 09:02:27,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:27,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:27,355 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:27,355 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:27,355 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:27,355 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:27,356 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:27,356 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:27,356 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:27,357 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:27,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:27,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:27,358 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:27,358 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:27,358 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:27,359 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:27,359 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:27,359 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:27,360 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:27,360 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:27,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:27,361 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:02:27,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:27,362 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:27,362 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:27,363 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:27,363 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:27,363 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:27,372 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:27,373 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:28,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:28,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:28,375 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:28,376 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:28,376 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:28,376 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:28,376 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:28,376 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:28,376 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:28,376 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:28,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:28,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:28,379 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:28,379 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:28,379 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:28,379 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:28,379 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:28,379 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:28,379 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:28,379 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:28,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:28,380 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:02:28,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:28,381 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:28,381 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:28,382 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:28,382 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:28,382 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:28,397 INFO L400 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-10-22 09:02:28,397 INFO L401 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-10-22 09:02:29,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:29,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:29,369 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:29,369 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:29,369 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:29,369 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:29,369 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:29,370 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:29,370 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:29,371 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:29,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:29,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:29,375 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:29,375 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:29,375 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:29,375 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:29,376 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:29,376 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:29,376 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:29,376 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:29,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:29,383 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-10-22 09:02:29,384 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-10-22 09:02:29,384 INFO L793 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-10-22 09:02:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-10-22 09:02:29,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385597351] [2019-10-22 09:02:29,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,398 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:29,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,399 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-10-22 09:02:29,399 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179667499] [2019-10-22 09:02:29,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,406 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:29,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-10-22 09:02:29,409 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9669166] [2019-10-22 09:02:29,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:29,427 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:29,501 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:29,501 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:29,501 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:29,501 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:29,501 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:29,502 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:29,502 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:29,502 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:29,502 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-10-22 09:02:29,502 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:29,502 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:29,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:29,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:29,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:29,731 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-10-22 09:02:29,732 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:29,732 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:29,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:29,741 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:29,744 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:29,744 INFO L440 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_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:29,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:29,751 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:29,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:29,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:29,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:29,762 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37b93e64-12ff-4afd-99c3-82635dba2db5/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:29,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:29,774 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:29,833 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:02:29,836 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:29,836 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:29,836 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:29,836 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:29,836 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:29,836 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:29,836 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:29,836 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:29,836 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-10-22 09:02:29,836 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:29,837 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:29,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:29,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:29,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:30,116 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-10-22 09:02:30,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:30,117 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:30,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,118 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,118 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,119 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,119 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,119 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:30,119 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:30,119 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,120 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,121 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,121 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,121 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,121 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:30,121 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:30,121 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,123 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,123 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,123 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:30,123 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:30,128 INFO L400 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-10-22 09:02:30,129 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 09:02:30,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,172 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:02:30,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,173 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,174 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,174 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,174 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,174 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,174 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:30,174 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,176 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,176 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,176 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,176 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,176 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,176 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:30,176 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,178 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,178 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,178 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:30,178 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,186 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-10-22 09:02:30,186 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-10-22 09:02:30,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,260 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:02:30,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,261 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,261 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,261 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,261 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,261 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:30,261 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:30,262 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,263 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,263 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,263 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,263 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,263 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:30,264 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:30,264 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,265 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,265 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,265 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:30,265 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:30,275 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:30,276 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:30,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,384 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:02:30,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,384 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,384 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,384 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,385 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,385 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:30,385 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:30,385 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,386 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,386 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,387 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,387 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,387 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:30,387 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:30,387 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,388 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:30,388 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,388 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:30,388 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:30,400 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-10-22 09:02:30,400 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-10-22 09:02:30,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,776 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:02:30,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,777 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:30,777 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:30,777 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,777 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,777 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,777 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,778 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:30,778 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,779 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:30,779 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:30,779 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:30,780 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,780 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:30,780 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,780 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:30,780 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:30,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:30,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:30,781 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:30,781 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:30,782 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:30,782 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:30,782 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:30,791 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-10-22 09:02:30,791 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-10-22 09:02:31,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,008 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:02:31,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,010 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,011 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:31,012 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:31,012 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,012 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:31,012 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:31,012 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:31,013 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:31,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,015 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,016 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:31,016 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:31,016 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,016 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:31,016 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:31,017 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:31,017 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:31,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,019 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,020 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:02:31,020 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,020 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:31,020 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:31,032 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:31,032 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:31,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,412 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:02:31,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,413 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,413 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:31,414 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:31,414 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,414 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:31,414 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:31,415 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:31,415 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:31,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,416 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,416 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:31,416 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:31,416 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,416 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:31,416 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:31,417 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:02:31,417 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:31,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:31,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:31,419 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:31,420 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:31,420 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:31,420 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:31,420 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:02:31,442 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-10-22 09:02:31,442 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-10-22 09:02:32,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,168 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:02:32,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,169 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,169 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:32,169 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,169 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,170 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:32,170 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:32,170 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,173 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,174 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:32,174 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,174 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,174 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,174 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:32,175 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:32,175 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,176 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,177 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:02:32,177 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,177 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:32,177 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:32,187 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-10-22 09:02:32,188 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-10-22 09:02:32,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,344 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:02:32,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,345 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,346 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:32,346 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,346 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,347 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,347 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:32,347 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:32,347 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,350 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,351 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:32,351 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,351 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,351 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,351 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:32,352 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:32,352 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,354 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:02:32,355 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:02:32,355 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,355 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-10-22 09:02:32,356 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:02:32,372 INFO L400 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-10-22 09:02:32,372 INFO L401 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-10-22 09:02:32,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:32 BoogieIcfgContainer [2019-10-22 09:02:32,798 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:32,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:32,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:32,798 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:32,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:24" (3/4) ... [2019-10-22 09:02:32,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:32,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:32,804 INFO L168 Benchmark]: Toolchain (without parser) took 9278.08 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 479.7 MB). Free memory was 950.1 MB in the beginning and 1.4 GB in the end (delta: -425.6 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:32,804 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:32,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:32,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:32,805 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:32,805 INFO L168 Benchmark]: RCFGBuilder took 200.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:32,806 INFO L168 Benchmark]: BuchiAutomizer took 8681.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 338.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -260.9 MB). Peak memory consumption was 676.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:32,807 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:32,809 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 200.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8681.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 338.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -260.9 MB). Peak memory consumption was 676.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div261 bol100 ite111 ukn100 eq135 hnf58 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 438ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...