./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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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 [2019-11-15 22:08:05,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:08:05,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:08:05,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:08:05,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:08:05,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:08:05,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:08:05,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:08:05,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:08:05,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:08:05,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:08:05,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:08:05,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:08:05,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:08:05,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:08:05,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:08:05,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:08:05,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:08:05,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:08:05,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:08:05,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:08:05,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:08:05,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:08:05,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:08:05,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:08:05,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:08:05,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:08:05,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:08:05,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:08:05,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:08:05,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:08:05,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:08:05,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:08:05,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:08:05,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:08:05,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:08:05,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:08:05,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:08:05,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:08:05,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:08:05,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:08:05,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 22:08:05,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:08:05,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:08:05,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:08:05,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:08:05,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:08:05,595 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:08:05,596 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:08:05,596 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:08:05,596 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:08:05,596 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:08:05,597 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:08:05,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:08:05,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:08:05,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:08:05,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:08:05,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:08:05,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:08:05,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:08:05,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:08:05,599 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:08:05,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:08:05,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:08:05,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:08:05,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:08:05,600 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:08:05,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:08:05,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:08:05,601 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:08:05,602 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:08:05,603 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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 [2019-11-15 22:08:05,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:08:05,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:08:05,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:08:05,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:08:05,656 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:08:05,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-15 22:08:05,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/data/68013d44e/0afd255ed38d4d24aedcf784fd2db151/FLAG01b2f8a6f [2019-11-15 22:08:06,211 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:08:06,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-15 22:08:06,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/data/68013d44e/0afd255ed38d4d24aedcf784fd2db151/FLAG01b2f8a6f [2019-11-15 22:08:06,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/bin/uautomizer/data/68013d44e/0afd255ed38d4d24aedcf784fd2db151 [2019-11-15 22:08:06,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:08:06,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:08:06,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:06,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:08:06,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:08:06,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46472705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06, skipping insertion in model container [2019-11-15 22:08:06,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:08:06,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:08:06,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:06,752 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:08:06,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:06,845 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:08:06,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06 WrapperNode [2019-11-15 22:08:06,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:06,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:06,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:08:06,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:08:06,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:06,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:08:06,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:08:06,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:08:06,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... [2019-11-15 22:08:06,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:08:06,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:08:06,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:08:06,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:08:06,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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 [2019-11-15 22:08:06,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:08:06,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:08:07,130 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:08:07,131 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 22:08:07,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:07 BoogieIcfgContainer [2019-11-15 22:08:07,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:08:07,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:08:07,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:08:07,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:08:07,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:08:07,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:08:06" (1/3) ... [2019-11-15 22:08:07,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77ac153b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:08:07, skipping insertion in model container [2019-11-15 22:08:07,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:08:07,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:06" (2/3) ... [2019-11-15 22:08:07,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77ac153b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:08:07, skipping insertion in model container [2019-11-15 22:08:07,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:08:07,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:07" (3/3) ... [2019-11-15 22:08:07,143 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-15 22:08:07,186 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:08:07,186 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:08:07,186 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:08:07,186 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:08:07,186 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:08:07,186 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:08:07,186 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:08:07,186 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:08:07,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-15 22:08:07,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:08:07,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:08:07,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:08:07,226 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 22:08:07,226 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:08:07,226 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:08:07,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-15 22:08:07,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:08:07,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:08:07,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:08:07,228 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 22:08:07,228 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:08:07,236 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2019-11-15 22:08:07,237 INFO L793 eck$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 [2019-11-15 22:08:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:07,243 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 22:08:07,253 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:07,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215410645] [2019-11-15 22:08:07,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,345 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-15 22:08:07,346 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:07,347 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155154226] [2019-11-15 22:08:07,347 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,347 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,373 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:07,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-15 22:08:07,376 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:07,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250880586] [2019-11-15 22:08:07,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:07,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:07,399 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:07,551 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:08:07,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:08:07,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:08:07,565 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:08:07,566 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:08:07,566 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:08:07,566 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:08:07,567 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:08:07,567 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-15 22:08:07,567 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:08:07,567 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:08:07,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:07,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:07,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:07,919 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-15 22:08:08,217 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-15 22:08:08,227 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:08:08,228 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:08,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:08:08,251 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 [2019-11-15 22:08:08,262 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:08:08,262 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:08,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:08:08,279 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:08,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:08:08,318 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 [2019-11-15 22:08:08,410 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:08:08,414 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:08:08,414 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:08:08,414 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:08:08,414 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:08:08,414 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:08:08,414 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:08:08,415 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:08:08,415 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:08:08,415 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-15 22:08:08,415 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:08:08,415 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:08:08,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:08,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:08,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:08,590 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-15 22:08:08,888 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-15 22:08:08,897 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:08:08,903 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:08:08,905 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 [2019-11-15 22:08:08,908 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:08,909 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:08,909 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:08,909 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:08,953 INFO L400 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-15 22:08:08,954 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 22:08:09,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,328 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 [2019-11-15 22:08:09,329 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,330 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,330 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,331 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,331 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:09,331 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:08:09,332 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,333 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 [2019-11-15 22:08:09,334 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,334 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,335 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,335 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,335 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:09,335 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:08:09,336 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,337 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:08:09,337 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 [2019-11-15 22:08:09,338 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,339 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,339 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:09,339 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:09,359 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-15 22:08:09,360 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-15 22:08:09,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,571 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 [2019-11-15 22:08:09,572 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,572 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,573 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,573 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,573 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:09,573 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:09,574 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,578 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 [2019-11-15 22:08:09,579 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,579 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,580 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,580 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,580 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:09,580 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:09,581 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,582 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:08:09,583 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 [2019-11-15 22:08:09,584 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,584 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,584 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:09,584 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:09,607 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:09,607 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:09,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,856 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 [2019-11-15 22:08:09,857 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,857 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,859 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,860 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,860 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:09,861 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:09,861 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,862 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 [2019-11-15 22:08:09,863 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,863 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:09,864 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,864 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:09,864 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:09,865 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:09,865 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:09,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:09,866 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:08:09,867 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 [2019-11-15 22:08:09,868 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:09,869 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:09,869 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:09,870 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:09,901 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-15 22:08:09,902 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-15 22:08:10,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,131 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 [2019-11-15 22:08:10,133 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:10,133 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,134 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,134 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,134 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:10,135 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:10,135 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,137 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 [2019-11-15 22:08:10,138 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:10,138 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,138 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,138 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,139 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:10,139 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:10,139 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,140 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:08:10,141 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 [2019-11-15 22:08:10,142 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,142 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:10,142 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,142 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:10,143 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:10,161 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-15 22:08:10,161 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-15 22:08:10,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,459 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 [2019-11-15 22:08:10,461 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,462 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:10,462 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,462 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,463 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,463 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:10,464 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:10,464 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,466 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 [2019-11-15 22:08:10,471 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,472 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:10,472 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,472 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,473 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,473 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:10,473 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:10,474 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,475 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:08:10,475 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 [2019-11-15 22:08:10,476 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,477 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:10,477 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,477 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:10,477 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:10,500 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:10,501 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:10,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,785 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 [2019-11-15 22:08:10,790 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,796 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:10,796 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,796 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,796 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,796 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:10,797 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:10,797 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,800 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 [2019-11-15 22:08:10,800 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,801 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:10,801 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:10,801 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,801 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:10,801 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:10,802 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:10,803 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:10,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:10,804 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:08:10,804 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 [2019-11-15 22:08:10,805 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:10,807 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:10,807 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:10,807 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:10,807 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:10,840 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-15 22:08:10,840 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-15 22:08:11,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:11,259 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 [2019-11-15 22:08:11,260 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:11,260 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:11,260 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:11,260 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:11,261 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:11,261 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:11,262 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:11,262 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:11,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:11,264 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 [2019-11-15 22:08:11,265 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:11,266 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:11,266 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:11,266 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:11,266 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:11,266 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:11,268 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:11,268 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:11,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:11,269 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:08:11,270 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 [2019-11-15 22:08:11,270 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:11,271 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:11,271 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:11,271 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:11,271 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:11,298 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:11,298 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:12,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:12,168 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 [2019-11-15 22:08:12,169 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:12,169 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:12,170 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:12,170 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:12,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:12,170 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:12,171 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:12,171 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:12,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:12,174 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 [2019-11-15 22:08:12,174 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:12,175 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:12,175 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:12,175 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:12,175 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:12,176 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:12,176 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:12,176 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:12,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:12,178 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:08:12,179 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 [2019-11-15 22:08:12,180 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:12,180 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:12,180 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:12,181 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:12,181 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:12,205 INFO L400 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-15 22:08:12,205 INFO L401 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-15 22:08:13,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:13,107 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 [2019-11-15 22:08:13,108 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:13,108 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:13,108 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:13,109 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:13,109 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:13,109 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:13,110 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:08:13,110 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:13,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:13,114 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 [2019-11-15 22:08:13,114 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:13,114 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:13,115 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:13,115 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:13,115 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:13,115 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:13,116 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:08:13,118 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:13,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:13,120 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 22:08:13,121 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-15 22:08:13,121 INFO L793 eck$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 [2019-11-15 22:08:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-15 22:08:13,121 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:13,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146439979] [2019-11-15 22:08:13,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,141 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:13,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:13,142 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-15 22:08:13,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:13,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080876552] [2019-11-15 22:08:13,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,154 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:13,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:13,155 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-15 22:08:13,155 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:13,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073211914] [2019-11-15 22:08:13,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:13,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:13,175 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:13,228 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:08:13,228 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:08:13,228 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:08:13,228 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:08:13,228 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:08:13,228 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:08:13,228 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:08:13,228 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:08:13,229 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-15 22:08:13,229 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:08:13,229 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:08:13,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,364 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-15 22:08:13,569 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-15 22:08:13,571 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:08:13,571 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:13,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:08:13,579 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 [2019-11-15 22:08:13,584 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:08:13,584 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:13,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:08:13,600 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 [2019-11-15 22:08:13,610 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:08:13,610 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:13,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:08:13,652 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/run_dir_190366b2-8ebd-4554-9c3f-a681af81f958/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) [2019-11-15 22:08:13,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:08:13,675 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 [2019-11-15 22:08:13,770 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:08:13,773 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:08:13,774 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:08:13,774 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:08:13,774 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:08:13,774 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:08:13,774 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:08:13,774 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:08:13,774 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:08:13,774 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-15 22:08:13,775 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:08:13,775 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:08:13,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:08:13,946 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-15 22:08:14,194 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-15 22:08:14,195 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:08:14,196 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:08:14,196 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 [2019-11-15 22:08:14,197 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,197 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,197 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,197 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,197 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:14,198 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:08:14,198 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,200 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 [2019-11-15 22:08:14,201 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,201 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,202 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,202 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,202 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:14,202 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:08:14,203 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,210 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 [2019-11-15 22:08:14,211 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,211 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,211 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:14,212 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:08:14,218 INFO L400 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-15 22:08:14,218 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 22:08:14,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,285 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:08:14,286 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 [2019-11-15 22:08:14,287 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,287 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,287 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,287 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,288 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:14,288 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:14,288 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,289 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 [2019-11-15 22:08:14,290 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,290 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,290 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,290 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,290 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:14,291 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:14,291 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,292 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 [2019-11-15 22:08:14,292 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,292 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,293 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:14,293 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:14,302 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-15 22:08:14,303 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-15 22:08:14,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,405 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:08:14,406 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 [2019-11-15 22:08:14,407 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,407 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,407 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,407 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,408 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:14,408 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:14,408 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,409 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 [2019-11-15 22:08:14,409 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,410 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,410 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,411 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,411 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:14,411 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:14,411 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,421 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 [2019-11-15 22:08:14,422 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,423 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,423 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:14,423 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:14,441 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:14,445 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:14,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,586 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:08:14,586 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 [2019-11-15 22:08:14,587 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,587 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,588 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,588 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,588 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:14,588 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:14,589 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,590 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 [2019-11-15 22:08:14,590 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,590 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:14,591 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,591 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:14,591 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:14,592 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:14,592 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:14,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:14,593 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 [2019-11-15 22:08:14,595 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:08:14,595 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:14,596 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:14,596 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:14,613 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-15 22:08:14,613 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-15 22:08:15,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,256 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:08:15,257 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 [2019-11-15 22:08:15,258 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,258 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:15,258 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,258 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,258 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,259 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:15,259 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:15,259 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,260 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 [2019-11-15 22:08:15,261 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,261 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:15,261 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,261 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,262 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,262 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:15,262 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:08:15,262 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,263 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 [2019-11-15 22:08:15,266 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,266 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:15,266 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,266 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:15,266 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:08:15,277 INFO L400 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-15 22:08:15,277 INFO L401 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-15 22:08:15,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,447 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:08:15,451 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 [2019-11-15 22:08:15,452 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,452 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:15,452 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,452 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,452 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,453 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:15,453 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:15,454 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,458 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 [2019-11-15 22:08:15,459 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,459 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:15,459 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,459 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,460 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,460 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:15,460 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:15,461 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,463 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 [2019-11-15 22:08:15,464 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,464 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:08:15,464 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,465 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:15,465 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:15,479 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:15,479 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:15,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,879 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:08:15,879 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 [2019-11-15 22:08:15,880 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,880 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:15,880 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,881 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,881 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,881 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:15,882 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:15,882 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,883 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 [2019-11-15 22:08:15,884 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,884 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:15,884 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:15,885 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,885 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:15,885 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:15,886 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:08:15,887 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:15,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:15,888 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 [2019-11-15 22:08:15,888 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:15,889 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:15,889 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:15,889 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:15,889 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:08:15,927 INFO L400 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-15 22:08:15,927 INFO L401 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-15 22:08:16,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,784 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:08:16,786 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 [2019-11-15 22:08:16,787 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,787 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:16,787 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:16,787 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,787 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:16,788 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:16,788 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:16,788 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:16,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,790 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 [2019-11-15 22:08:16,792 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,792 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:16,792 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:16,792 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,792 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:16,793 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:16,793 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:08:16,793 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:16,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,795 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 [2019-11-15 22:08:16,795 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,796 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:08:16,796 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,796 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:16,796 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:08:16,809 INFO L400 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-15 22:08:16,810 INFO L401 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-15 22:08:16,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,987 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:08:16,988 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 [2019-11-15 22:08:16,989 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,989 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:16,990 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:16,990 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,990 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:16,990 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:16,991 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:08:16,991 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:16,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,993 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 [2019-11-15 22:08:16,994 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,994 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:16,994 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:08:16,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:08:16,995 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:16,995 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:08:16,995 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:08:16,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:16,997 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 [2019-11-15 22:08:16,998 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:08:16,998 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:08:16,998 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:08:16,998 INFO L203 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-15 22:08:16,999 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:08:17,019 INFO L400 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-15 22:08:17,019 INFO L401 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-15 22:08:17,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:08:17,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:08:17 BoogieIcfgContainer [2019-11-15 22:08:17,420 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:08:17,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:08:17,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:08:17,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:08:17,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:07" (3/4) ... [2019-11-15 22:08:17,426 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:08:17,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:08:17,429 INFO L168 Benchmark]: Toolchain (without parser) took 10868.30 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -225.4 MB). Peak memory consumption was 334.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:17,430 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-15 22:08:17,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:17,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.25 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. [2019-11-15 22:08:17,433 INFO L168 Benchmark]: Boogie Preprocessor took 27.94 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. [2019-11-15 22:08:17,434 INFO L168 Benchmark]: RCFGBuilder took 213.56 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:17,436 INFO L168 Benchmark]: BuchiAutomizer took 10287.45 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 430.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.5 MB). Peak memory consumption was 477.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:17,441 INFO L168 Benchmark]: Witness Printer took 6.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:08:17,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 285.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.25 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 27.94 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 213.56 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10287.45 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 430.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.5 MB). Peak memory consumption was 477.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.2 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 10.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 10.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div261 bol100 ite111 ukn100 eq135 hnf58 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 415ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...