./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 32bit --witnessprinter.graph.data.programhash 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:22:49,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:22:49,477 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:22:49,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:22:49,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:22:49,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:22:49,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:22:49,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:22:49,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:22:49,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:22:49,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:22:49,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:22:49,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:22:49,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:22:49,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:22:49,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:22:49,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:22:49,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:22:49,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:22:49,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:22:49,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:22:49,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:22:49,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:22:49,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:22:49,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:22:49,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:22:49,495 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:22:49,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:22:49,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:22:49,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:22:49,496 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:22:49,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:22:49,497 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:22:49,497 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:22:49,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:22:49,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:22:49,498 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 18:22:49,505 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:22:49,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:22:49,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:22:49,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:22:49,506 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:22:49,506 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 18:22:49,507 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:22:49,507 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:22:49,508 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 18:22:49,509 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 18:22:49,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:22:49,509 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:22:49,510 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 18:22:49,510 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 18:22:49,510 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_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 [2018-12-01 18:22:49,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:22:49,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:22:49,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:22:49,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:22:49,541 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:22:49,541 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-12-01 18:22:49,584 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/data/826349c7b/adb7afeb4914447fa42bed4bca55ac7e/FLAG39a47bcd7 [2018-12-01 18:22:50,007 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:22:50,007 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-12-01 18:22:50,011 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/data/826349c7b/adb7afeb4914447fa42bed4bca55ac7e/FLAG39a47bcd7 [2018-12-01 18:22:50,019 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/data/826349c7b/adb7afeb4914447fa42bed4bca55ac7e [2018-12-01 18:22:50,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:22:50,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:22:50,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:22:50,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:22:50,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:22:50,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50, skipping insertion in model container [2018-12-01 18:22:50,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:22:50,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:22:50,123 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:22:50,125 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:22:50,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:22:50,141 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:22:50,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50 WrapperNode [2018-12-01 18:22:50,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:22:50,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:22:50,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:22:50,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:22:50,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:22:50,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:22:50,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:22:50,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:22:50,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... [2018-12-01 18:22:50,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:22:50,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:22:50,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:22:50,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:22:50,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:22:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:22:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:22:50,301 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:22:50,301 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 18:22:50,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:50 BoogieIcfgContainer [2018-12-01 18:22:50,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:22:50,301 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 18:22:50,301 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 18:22:50,303 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 18:22:50,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:22:50,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 06:22:50" (1/3) ... [2018-12-01 18:22:50,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a466c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:22:50, skipping insertion in model container [2018-12-01 18:22:50,305 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:22:50,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:50" (2/3) ... [2018-12-01 18:22:50,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a466c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:22:50, skipping insertion in model container [2018-12-01 18:22:50,305 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:22:50,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:50" (3/3) ... [2018-12-01 18:22:50,306 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2018-12-01 18:22:50,337 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:22:50,338 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 18:22:50,338 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 18:22:50,338 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 18:22:50,338 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:22:50,338 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:22:50,338 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 18:22:50,338 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:22:50,338 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 18:22:50,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-01 18:22:50,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 18:22:50,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:22:50,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:22:50,361 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 18:22:50,361 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 18:22:50,361 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 18:22:50,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-01 18:22:50,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 18:22:50,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:22:50,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:22:50,362 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 18:22:50,362 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 18:22:50,367 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-12-01 18:22:50,367 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-01 18:22:50,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:22:50,370 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-01 18:22:50,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:22:50,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:22:50,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:22:50,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:22:50,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-12-01 18:22:50,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:22:50,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:22:50,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:22:50,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:22:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-12-01 18:22:50,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:22:50,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:22:50,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:22:50,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:22:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:22:50,490 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:22:50,491 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:22:50,491 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:22:50,491 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:22:50,491 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 18:22:50,491 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:22:50,491 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:22:50,492 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:22:50,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-01 18:22:50,492 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:22:50,492 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:22:50,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:22:50,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:22:50,605 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:22:50,606 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:22:50,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:22:50,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:22:50,616 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 18:22:50,616 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:22:50,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:22:50,632 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:22:50,752 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 18:22:50,752 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:02,947 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 18:23:02,978 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:02,978 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:02,978 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:02,978 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:02,979 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 18:23:02,979 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:02,979 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:02,979 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:02,979 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-01 18:23:02,979 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:02,979 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:02,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:02,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:03,059 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:03,062 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 18:23:03,064 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 [2018-12-01 18:23:03,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:03,067 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:03,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,077 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 [2018-12-01 18:23:03,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,078 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:03,079 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:03,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,080 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 18:23:03,080 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 [2018-12-01 18:23:03,081 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,081 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,081 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,081 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:03,082 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:03,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,093 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,093 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:03,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,094 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:03,094 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:03,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,095 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 18:23:03,096 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 [2018-12-01 18:23:03,096 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,096 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,097 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,112 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 [2018-12-01 18:23:03,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,113 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,114 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,114 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 18:23:03,115 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 [2018-12-01 18:23:03,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,115 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:03,117 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:03,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,131 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,131 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 [2018-12-01 18:23:03,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:03,132 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,133 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:03,133 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:03,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,134 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 18:23:03,135 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 [2018-12-01 18:23:03,135 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,135 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:03,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,136 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:03,138 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:03,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,167 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,167 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 [2018-12-01 18:23:03,168 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,168 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:03,168 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,169 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:03,169 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:03,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,170 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 18:23:03,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:03,171 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,171 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:03,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,173 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,215 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 [2018-12-01 18:23:03,216 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,216 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:03,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,216 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,217 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,217 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,218 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 18:23:03,219 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 [2018-12-01 18:23:03,219 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,219 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:03,219 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,220 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:03,222 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:03,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,281 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 [2018-12-01 18:23:03,282 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,282 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:03,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,282 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:03,283 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:03,283 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,284 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 18:23:03,285 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 [2018-12-01 18:23:03,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,285 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:03,285 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,286 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,287 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,295 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 [2018-12-01 18:23:03,295 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,295 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:03,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,295 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:03,296 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:03,296 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,297 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 18:23:03,298 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 [2018-12-01 18:23:03,298 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,298 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:03,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,299 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:03,301 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:03,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,319 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 [2018-12-01 18:23:03,319 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:03,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:03,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:03,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:03,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:03,320 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:03,321 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:03,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:03,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:03,326 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:03,326 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:03,326 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:03,326 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:03,326 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 18:23:03,326 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:03,326 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:03,326 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:03,326 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-01 18:23:03,326 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:03,326 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:03,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:03,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:03,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:03,414 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:03,414 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:23:03,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:23:03,416 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:03,418 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 18:23:03,418 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:23:03,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:23:03,433 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:03,436 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 18:23:03,436 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_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:23:03,460 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:23:03,460 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/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 [2018-12-01 18:23:03,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 18:23:03,484 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:16,466 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 18:23:16,496 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:16,496 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:16,496 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:16,496 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:16,496 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 18:23:16,496 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:16,497 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:16,497 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:16,497 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-01 18:23:16,497 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:16,497 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:16,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:16,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:16,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:16,594 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:16,594 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 18:23:16,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:16,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:16,595 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:16,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:16,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,596 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,596 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:16,597 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:16,597 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,597 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 [2018-12-01 18:23:16,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,598 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:16,600 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:16,600 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:23:16,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,607 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 18:23:16,607 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 [2018-12-01 18:23:16,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,608 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,609 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:16,609 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:16,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,610 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,610 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,611 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:16,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,611 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 [2018-12-01 18:23:16,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,612 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,614 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 18:23:16,614 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 18:23:16,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,623 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 18:23:16,623 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 [2018-12-01 18:23:16,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,623 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,624 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,624 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,625 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 [2018-12-01 18:23:16,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,626 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,626 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,627 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 [2018-12-01 18:23:16,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,628 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,630 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:16,630 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:16,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,641 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 18:23:16,641 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 [2018-12-01 18:23:16,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,642 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,642 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:16,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,643 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 [2018-12-01 18:23:16,643 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,643 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,644 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:16,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,644 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 [2018-12-01 18:23:16,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:16,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,645 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,647 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 18:23:16,647 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 18:23:16,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,659 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 18:23:16,659 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 [2018-12-01 18:23:16,660 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,660 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,660 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,660 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,660 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,660 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:16,661 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,661 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,661 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:16,661 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,661 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,662 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,662 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,662 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:16,662 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,663 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,663 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 [2018-12-01 18:23:16,663 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,663 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,664 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:16,665 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 18:23:16,665 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 18:23:16,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,690 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 18:23:16,690 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 [2018-12-01 18:23:16,691 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,691 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:16,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,691 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,692 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,693 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 [2018-12-01 18:23:16,693 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,693 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:16,693 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,693 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,693 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,693 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,694 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,694 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,695 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,695 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 [2018-12-01 18:23:16,695 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,695 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:16,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,695 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,696 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,698 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:16,698 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:16,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,760 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 18:23:16,760 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 [2018-12-01 18:23:16,760 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,760 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,761 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,761 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:16,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,762 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 [2018-12-01 18:23:16,762 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,762 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,762 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,763 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:16,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,764 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 [2018-12-01 18:23:16,764 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,764 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,764 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:16,767 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 18:23:16,767 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 18:23:16,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,833 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 18:23:16,833 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 [2018-12-01 18:23:16,833 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,833 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,833 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,834 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,835 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 [2018-12-01 18:23:16,835 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,835 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,835 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:16,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,836 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 [2018-12-01 18:23:16,837 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,837 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:16,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,837 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:16,838 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:16,838 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:16,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,853 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 18:23:16,853 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 [2018-12-01 18:23:16,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,853 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,853 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:16,854 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:16,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,855 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,855 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 [2018-12-01 18:23:16,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,855 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:16,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,855 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:16,856 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:16,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:16,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,857 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 [2018-12-01 18:23:16,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:16,858 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:16,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:16,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:16,858 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:16,860 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-01 18:23:16,860 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-01 18:23:16,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:16,902 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-01 18:23:16,902 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-01 18:23:16,902 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-01 18:23:16,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:23:16,903 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-12-01 18:23:16,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:23:16,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:23:16,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:23:16,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:23:16,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-12-01 18:23:16,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:23:16,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:23:16,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,908 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:23:16,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:23:16,912 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-12-01 18:23:16,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:23:16,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:23:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,912 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:23:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:23:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:23:16,945 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:16,945 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:16,945 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:16,945 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:16,945 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 18:23:16,945 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:16,945 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:16,945 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:16,945 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-01 18:23:16,945 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:16,945 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:16,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:16,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:17,004 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:17,004 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:17,005 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:23:17,006 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:17,150 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 18:23:17,150 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:30,101 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 18:23:30,131 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:30,131 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:30,131 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:30,131 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:30,131 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 18:23:30,131 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:30,131 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:30,131 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:30,131 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-01 18:23:30,131 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:30,131 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:30,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:30,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:30,196 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:30,196 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 18:23:30,197 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 [2018-12-01 18:23:30,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,197 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:30,197 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:30,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,198 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 [2018-12-01 18:23:30,199 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:30,199 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:30,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,201 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 18:23:30,201 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 [2018-12-01 18:23:30,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,202 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:30,202 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:30,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,203 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 [2018-12-01 18:23:30,203 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,203 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:30,204 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:30,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,205 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,205 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 18:23:30,205 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 [2018-12-01 18:23:30,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,206 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,206 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,206 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,207 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 [2018-12-01 18:23:30,207 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,207 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,207 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,207 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,208 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,210 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 18:23:30,210 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 [2018-12-01 18:23:30,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,210 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,210 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,210 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:30,211 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:30,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,211 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:30,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:30,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,211 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:30,212 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:30,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,214 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 18:23:30,215 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 [2018-12-01 18:23:30,215 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,215 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:30,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,215 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:30,215 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:30,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,216 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 [2018-12-01 18:23:30,216 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,216 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:30,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,216 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:30,217 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:30,217 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,223 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 18:23:30,223 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 [2018-12-01 18:23:30,223 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,223 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:30,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,224 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,224 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,224 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,225 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 [2018-12-01 18:23:30,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,225 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:30,225 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,225 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,225 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,226 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,237 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 18:23:30,237 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 [2018-12-01 18:23:30,238 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,238 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:30,238 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,238 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:30,238 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:30,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,239 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 [2018-12-01 18:23:30,239 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,239 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:30,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,240 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:30,241 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:30,241 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,267 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 18:23:30,267 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 [2018-12-01 18:23:30,267 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,267 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:30,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,267 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,268 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,268 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,268 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 [2018-12-01 18:23:30,269 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,269 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:30,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,269 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:30,270 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:30,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,274 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 18:23:30,274 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 [2018-12-01 18:23:30,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:30,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,275 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:30,275 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:30,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:30,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:30,277 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:30,277 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:30,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:30,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:30,277 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:30,278 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:30,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:30,287 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:30,321 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:30,321 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:30,321 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:30,321 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:30,321 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 18:23:30,321 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:30,321 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:30,321 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:30,322 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-01 18:23:30,322 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:30,322 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:30,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:30,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:30,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:30,437 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:30,437 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:30,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 18:23:30,439 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e2506a5-1326-46b9-8439-f2fee1c7ba02/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:30,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 18:23:30,471 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 18:23:43,876 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 18:23:43,906 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:23:43,907 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:23:43,907 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:23:43,907 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:23:43,907 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 18:23:43,907 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:23:43,907 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:23:43,907 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:23:43,907 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-01 18:23:43,907 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:23:43,907 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:23:43,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:43,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:43,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:23:44,000 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:23:44,000 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 18:23:44,000 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 [2018-12-01 18:23:44,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:44,001 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:44,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:44,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:44,003 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:44,003 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:23:44,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,017 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 [2018-12-01 18:23:44,017 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,017 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,018 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:23:44,018 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:23:44,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,018 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,018 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 18:23:44,019 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 [2018-12-01 18:23:44,019 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,019 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,020 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:44,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,020 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 [2018-12-01 18:23:44,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,021 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,023 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 18:23:44,023 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 18:23:44,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,039 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 [2018-12-01 18:23:44,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,040 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,040 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:44,040 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,041 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 18:23:44,041 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 [2018-12-01 18:23:44,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,042 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,042 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:44,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,042 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,042 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 [2018-12-01 18:23:44,043 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,043 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,043 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,043 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,045 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:44,045 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:44,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,062 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 [2018-12-01 18:23:44,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,062 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,062 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:44,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,063 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 18:23:44,063 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 [2018-12-01 18:23:44,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,063 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,063 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,063 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:44,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,064 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 [2018-12-01 18:23:44,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,064 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,066 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 18:23:44,066 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 18:23:44,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:44,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:23:44,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,084 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,084 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:44,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,085 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 18:23:44,085 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 [2018-12-01 18:23:44,085 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,085 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:44,085 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,085 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,085 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:44,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,086 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 [2018-12-01 18:23:44,086 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,086 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:44,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,086 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,087 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 18:23:44,087 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 18:23:44,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,152 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 [2018-12-01 18:23:44,152 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,152 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:44,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,152 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 18:23:44,152 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 18:23:44,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,153 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 18:23:44,153 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 [2018-12-01 18:23:44,153 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,153 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:44,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,153 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,154 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:44,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:44,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,155 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:44,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,155 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,156 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:44,156 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:44,404 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,405 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 [2018-12-01 18:23:44,405 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,405 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 18:23:44,405 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,405 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,405 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,405 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,406 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:44,406 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,406 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,406 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 18:23:44,406 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 [2018-12-01 18:23:44,407 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,407 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:44,407 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,407 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,407 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,407 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,408 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:44,408 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,408 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 [2018-12-01 18:23:44,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,409 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:44,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,409 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,411 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 18:23:44,411 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 18:23:44,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,992 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 [2018-12-01 18:23:44,992 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,993 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:44,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,993 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 18:23:44,994 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 18:23:44,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,994 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,994 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 18:23:44,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:44,995 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,995 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:44,995 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:44,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,995 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,995 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:44,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:44,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:44,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 18:23:44,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:44,997 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:44,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:44,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:44,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:44,999 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 18:23:44,999 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 18:23:45,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:45,048 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 [2018-12-01 18:23:45,048 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:45,048 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 18:23:45,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:45,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:45,048 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:45,048 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 18:23:45,049 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 18:23:45,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:45,050 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:45,050 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 18:23:45,050 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 [2018-12-01 18:23:45,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:45,050 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:45,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:45,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:45,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:45,051 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:45,051 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:45,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:45,052 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:45,052 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 [2018-12-01 18:23:45,053 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:45,053 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:45,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:45,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:45,053 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:45,056 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-01 18:23:45,056 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-01 18:23:45,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:45,213 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 [2018-12-01 18:23:45,214 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 18:23:45,214 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 18:23:45,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:23:45,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:23:45,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:23:45,214 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 18:23:45,214 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:23:45,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:23:45,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:23:45,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 06:23:45 BoogieIcfgContainer [2018-12-01 18:23:45,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 18:23:45,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:23:45,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:23:45,220 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:23:45,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:50" (3/4) ... [2018-12-01 18:23:45,222 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 18:23:45,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:23:45,223 INFO L168 Benchmark]: Toolchain (without parser) took 55201.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -255.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:23:45,224 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-01 18:23:45,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 941.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:23:45,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.53 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:23:45,224 INFO L168 Benchmark]: Boogie Preprocessor took 10.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.5 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:23:45,225 INFO L168 Benchmark]: RCFGBuilder took 131.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:23:45,225 INFO L168 Benchmark]: BuchiAutomizer took 54917.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.8 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:23:45,225 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:23:45,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 941.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.53 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.5 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 131.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54917.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.8 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.8s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 160ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.5s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...