./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:00:45,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:00:45,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:00:45,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:00:45,364 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:00:45,365 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:00:45,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:00:45,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:00:45,368 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:00:45,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:00:45,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:00:45,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:00:45,370 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:00:45,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:00:45,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:00:45,371 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:00:45,372 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:00:45,373 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:00:45,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:00:45,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:00:45,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:00:45,377 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:00:45,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:00:45,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:00:45,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:00:45,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:00:45,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:00:45,380 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:00:45,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:00:45,382 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:00:45,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:00:45,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:00:45,382 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:00:45,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:00:45,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:00:45,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:00:45,384 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:00:45,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:00:45,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:00:45,393 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:00:45,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:00:45,393 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:00:45,394 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:00:45,394 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:00:45,394 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:00:45,394 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:00:45,394 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:00:45,394 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:00:45,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:00:45,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:00:45,396 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:00:45,396 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:00:45,396 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:00:45,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:00:45,396 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:00:45,396 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:00:45,397 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:00:45,397 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:00:45,397 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:00:45,397 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:00:45,398 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-11-28 12:00:45,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:00:45,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:00:45,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:00:45,431 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:00:45,432 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:00:45,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 12:00:45,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/data/f3f5218a7/eb72c06b239d4adf8f40f7ddb6b04fd9/FLAG2b9b72084 [2018-11-28 12:00:45,774 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:00:45,774 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 12:00:45,778 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/data/f3f5218a7/eb72c06b239d4adf8f40f7ddb6b04fd9/FLAG2b9b72084 [2018-11-28 12:00:45,788 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/data/f3f5218a7/eb72c06b239d4adf8f40f7ddb6b04fd9 [2018-11-28 12:00:45,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:00:45,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:00:45,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:45,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:00:45,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:00:45,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cc7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45, skipping insertion in model container [2018-11-28 12:00:45,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:00:45,810 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:00:45,905 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:45,908 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:00:45,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:45,924 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:00:45,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45 WrapperNode [2018-11-28 12:00:45,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:45,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:45,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:00:45,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:00:45,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:45,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:00:45,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:00:45,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:00:45,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... [2018-11-28 12:00:45,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:00:45,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:00:45,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:00:45,954 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:00:45,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:00:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:00:46,093 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:00:46,094 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 12:00:46,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:46 BoogieIcfgContainer [2018-11-28 12:00:46,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:00:46,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:00:46,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:00:46,096 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:00:46,097 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:46,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:00:45" (1/3) ... [2018-11-28 12:00:46,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17ac62db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:46, skipping insertion in model container [2018-11-28 12:00:46,098 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:46,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:45" (2/3) ... [2018-11-28 12:00:46,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17ac62db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:46, skipping insertion in model container [2018-11-28 12:00:46,098 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:46,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:46" (3/3) ... [2018-11-28 12:00:46,099 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-28 12:00:46,135 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:00:46,135 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:00:46,136 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:00:46,136 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:00:46,136 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:00:46,136 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:00:46,136 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:00:46,136 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:00:46,136 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:00:46,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 12:00:46,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:00:46,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:46,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:46,161 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:00:46,161 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 12:00:46,161 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:00:46,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 12:00:46,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:00:46,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:46,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:46,162 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:00:46,162 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 12:00:46,168 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2018-11-28 12:00:46,169 INFO L796 eck$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 [2018-11-28 12:00:46,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:46,173 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 12:00:46,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:46,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:46,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:46,237 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 12:00:46,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:46,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:46,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:46,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:46,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 12:00:46,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:46,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:46,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:46,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:46,327 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:00:46,327 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:00:46,327 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:00:46,328 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:00:46,328 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:00:46,328 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,328 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:00:46,328 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:00:46,328 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 12:00:46,328 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:00:46,329 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:00:46,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:46,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:46,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:46,515 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-28 12:00:46,685 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-28 12:00:46,693 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:00:46,694 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,704 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:00:46,704 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:00:46,710 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:00:46,710 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,725 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:00:46,725 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:00:46,746 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:00:46,801 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:00:46,802 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:00:46,802 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:00:46,802 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:00:46,803 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:00:46,803 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:00:46,803 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:46,803 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:00:46,803 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:00:46,803 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 12:00:46,803 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:00:46,803 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:00:46,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:46,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:46,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:47,013 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-28 12:00:47,016 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:00:47,019 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:00:47,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,022 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:47,038 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-28 12:00:47,039 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 12:00:47,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,168 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,168 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:47,169 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:00:47,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,170 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,173 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:47,173 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:00:47,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,174 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:00:47,174 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,175 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,175 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,175 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,189 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 12:00:47,189 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 12:00:47,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,273 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,274 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:47,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,275 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,276 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,276 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:47,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,277 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:00:47,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,278 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,278 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,293 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:47,293 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:47,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,365 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,366 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,368 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,368 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,369 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,369 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,369 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:00:47,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,370 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,370 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,371 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,382 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 12:00:47,382 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 12:00:47,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,435 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,436 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,436 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,436 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,436 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,437 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:47,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:47,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,438 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,439 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:47,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,439 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:00:47,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,440 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,441 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,441 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,447 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 12:00:47,447 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 12:00:47,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,562 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,562 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,562 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,563 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:47,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,564 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,564 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,564 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,565 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:47,565 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:47,565 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,566 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,566 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:00:47,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,567 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,567 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:47,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,568 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,568 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,581 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:47,581 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:47,698 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,698 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,699 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,700 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:47,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,700 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,701 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,701 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,702 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,703 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:47,703 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,703 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,703 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,704 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,704 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,707 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,708 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:00:47,708 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,708 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,708 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:47,709 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,709 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,709 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,722 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 12:00:47,722 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 12:00:47,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,829 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,830 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:47,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,830 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,831 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:47,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,832 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,832 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:47,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,832 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:47,833 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:47,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,834 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:00:47,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,834 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,834 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,835 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,843 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:47,843 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:47,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,901 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,901 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,901 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,902 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,902 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,904 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,904 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:47,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:47,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:47,904 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:47,906 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:47,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:47,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:47,907 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:00:47,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:47,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:47,908 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:47,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:47,908 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:47,908 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:47,921 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-28 12:00:47,921 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-28 12:00:48,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,108 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:48,108 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:48,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,108 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:48,110 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:00:48,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,112 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:48,112 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:48,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,112 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:48,112 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:00:48,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,114 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 12:00:48,114 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-11-28 12:00:48,114 INFO L796 eck$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 [2018-11-28 12:00:48,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:48,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 12:00:48,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:48,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:48,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:48,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 12:00:48,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:48,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:48,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,126 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:00:48,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:48,130 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 12:00:48,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:48,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:48,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,131 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:00:48,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:48,171 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:00:48,171 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:00:48,171 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:00:48,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:00:48,171 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:00:48,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,171 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:00:48,171 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:00:48,171 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 12:00:48,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:00:48,172 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:00:48,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,381 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-11-28 12:00:48,501 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-28 12:00:48,502 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:00:48,502 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:00:48,516 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:00:48,518 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:00:48,518 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:00:48,537 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:00:48,543 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:00:48,543 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,570 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:00:48,570 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_665d7300-cf1d-485b-8710-9ad7010654f5/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:00:48,608 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:00:48,657 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:00:48,659 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:00:48,659 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:00:48,659 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:00:48,659 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:00:48,659 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:00:48,659 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:00:48,659 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:00:48,659 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:00:48,659 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 12:00:48,659 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:00:48,660 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:00:48,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:00:48,852 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-28 12:00:48,853 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:00:48,853 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:00:48,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,855 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:48,855 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:00:48,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,856 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,857 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:48,857 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:00:48,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,858 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:48,858 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:00:48,863 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-28 12:00:48,863 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 12:00:48,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,895 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:00:48,895 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,895 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,896 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:48,896 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:48,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,897 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,897 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:48,897 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:48,897 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,898 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,898 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,898 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:48,898 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:48,910 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 12:00:48,910 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 12:00:48,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,976 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:00:48,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,977 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:48,978 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:48,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,978 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:48,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:48,979 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:48,979 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:48,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:48,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:48,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:48,980 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:48,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:48,980 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:48,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:48,987 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:48,987 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:49,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,047 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:00:49,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:49,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,048 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,048 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,049 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:49,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:49,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,050 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,050 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:49,050 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,051 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,051 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:00:49,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,051 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,051 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,060 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 12:00:49,060 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 12:00:49,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,134 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:00:49,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,134 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,134 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,135 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:49,135 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:49,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,136 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,136 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:49,137 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:00:49,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,137 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,138 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,138 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,138 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:00:49,144 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-28 12:00:49,144 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-28 12:00:49,246 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,247 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:00:49,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,247 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,248 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:49,248 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,248 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,249 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:49,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,250 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,250 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,250 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:49,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,251 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,251 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:49,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,252 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,252 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,253 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,253 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:00:49,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,253 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,253 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,264 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:49,264 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:49,542 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,542 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:00:49,542 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,543 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,543 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,543 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,544 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:49,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,545 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,545 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,545 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,546 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:00:49,546 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,547 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,547 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,547 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,547 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:00:49,559 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-28 12:00:49,559 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-28 12:00:49,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,720 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:00:49,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,720 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,721 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,721 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,722 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:49,722 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,723 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,723 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,723 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,724 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:00:49,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,725 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,725 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:00:49,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,725 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,725 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:00:49,733 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-28 12:00:49,733 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 12:00:49,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,788 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:00:49,789 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,789 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,789 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,790 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:49,790 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:00:49,790 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,791 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,791 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,792 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:00:49,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:00:49,792 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:49,792 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:00:49,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:00:49,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:00:49,794 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:00:49,794 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:00:49,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:00:49,794 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-28 12:00:49,794 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:00:49,805 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-28 12:00:49,805 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-28 12:00:49,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:00:49,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:00:49 BoogieIcfgContainer [2018-11-28 12:00:49,963 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:00:49,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:00:49,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:00:49,964 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:00:49,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:46" (3/4) ... [2018-11-28 12:00:49,967 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:00:49,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:00:49,967 INFO L168 Benchmark]: Toolchain (without parser) took 4177.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 953.3 MB in the beginning and 895.1 MB in the end (delta: 58.2 MB). Peak memory consumption was 256.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:49,968 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:00:49,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.01 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:49,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:00:49,969 INFO L168 Benchmark]: Boogie Preprocessor took 11.11 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:00:49,969 INFO L168 Benchmark]: RCFGBuilder took 139.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:49,970 INFO L168 Benchmark]: BuchiAutomizer took 3868.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 901.0 MB in the end (delta: 197.6 MB). Peak memory consumption was 362.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:49,970 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 895.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:00:49,973 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.01 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.11 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 139.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3868.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 901.0 MB in the end (delta: 197.6 MB). Peak memory consumption was 362.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 895.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 164ms 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...