./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:24:54,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:24:54,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:24:54,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:24:54,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:24:54,317 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:24:54,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:24:54,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:24:54,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:24:54,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:24:54,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:24:54,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:24:54,321 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:24:54,321 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:24:54,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:24:54,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:24:54,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:24:54,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:24:54,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:24:54,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:24:54,325 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:24:54,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:24:54,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:24:54,327 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:24:54,327 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:24:54,328 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:24:54,328 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:24:54,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:24:54,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:24:54,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:24:54,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:24:54,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:24:54,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:24:54,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:24:54,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:24:54,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:24:54,331 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 10:24:54,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:24:54,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:24:54,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:24:54,340 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 10:24:54,340 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 10:24:54,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:24:54,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 10:24:54,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:24:54,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:24:54,342 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 10:24:54,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:24:54,342 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:24:54,342 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 10:24:54,343 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 10:24:54,343 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_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-12-09 10:24:54,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:24:54,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:24:54,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:24:54,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:24:54,371 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:24:54,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-12-09 10:24:54,411 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/data/f8c9257db/c4fc7d055dd14aa3ad3ef865e8039f6c/FLAG70abae772 [2018-12-09 10:24:54,879 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:24:54,879 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-12-09 10:24:54,883 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/data/f8c9257db/c4fc7d055dd14aa3ad3ef865e8039f6c/FLAG70abae772 [2018-12-09 10:24:55,387 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/bin-2019/uautomizer/data/f8c9257db/c4fc7d055dd14aa3ad3ef865e8039f6c [2018-12-09 10:24:55,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:24:55,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:24:55,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:24:55,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:24:55,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:24:55,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531953ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55, skipping insertion in model container [2018-12-09 10:24:55,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:24:55,409 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:24:55,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:24:55,493 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:24:55,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:24:55,509 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:24:55,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55 WrapperNode [2018-12-09 10:24:55,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:24:55,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:24:55,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:24:55,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:24:55,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:24:55,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:24:55,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:24:55,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:24:55,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... [2018-12-09 10:24:55,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:24:55,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:24:55,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:24:55,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:24:55,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:24:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:24:55,678 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:24:55,678 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 10:24:55,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:24:55 BoogieIcfgContainer [2018-12-09 10:24:55,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:24:55,679 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 10:24:55,679 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 10:24:55,682 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 10:24:55,682 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:24:55,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 10:24:55" (1/3) ... [2018-12-09 10:24:55,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d6084fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:24:55, skipping insertion in model container [2018-12-09 10:24:55,683 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:24:55,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:24:55" (2/3) ... [2018-12-09 10:24:55,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d6084fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:24:55, skipping insertion in model container [2018-12-09 10:24:55,684 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:24:55,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:24:55" (3/3) ... [2018-12-09 10:24:55,685 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-12-09 10:24:55,722 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:24:55,723 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 10:24:55,723 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 10:24:55,723 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 10:24:55,723 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:24:55,723 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:24:55,723 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 10:24:55,723 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:24:55,723 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 10:24:55,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-09 10:24:55,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 10:24:55,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:24:55,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:24:55,749 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 10:24:55,749 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 10:24:55,749 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 10:24:55,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-09 10:24:55,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 10:24:55,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:24:55,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:24:55,750 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 10:24:55,750 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 10:24:55,755 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2018-12-09 10:24:55,755 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-12-09 10:24:55,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:55,760 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 10:24:55,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:55,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:55,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:24:55,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:55,819 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-09 10:24:55,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:55,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:55,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:24:55,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-09 10:24:55,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:55,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:55,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:24:55,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:55,893 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 10:24:55,893 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 10:24:55,893 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 10:24:55,893 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 10:24:55,893 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 10:24:55,894 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 10:24:55,894 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 10:24:55,894 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 10:24:55,894 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 10:24:55,894 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 10:24:55,894 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 10:24:55,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:55,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:55,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:56,131 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 10:24:56,132 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:56,134 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 10:24:56,135 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 10:24:56,139 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 10:24:56,139 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:56,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 10:24:56,155 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:56,174 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 10:24:56,174 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 10:24:56,220 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 10:24:56,221 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 10:24:56,221 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 10:24:56,221 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 10:24:56,221 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 10:24:56,221 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 10:24:56,221 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 10:24:56,221 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 10:24:56,221 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 10:24:56,222 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 10:24:56,222 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 10:24:56,222 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 10:24:56,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:56,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:56,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:56,396 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-09 10:24:56,399 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 10:24:56,402 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 10:24:56,403 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 [2018-12-09 10:24:56,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,404 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,405 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:56,416 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-12-09 10:24:56,416 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 10:24:56,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,515 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 [2018-12-09 10:24:56,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,516 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:56,516 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:24:56,517 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,517 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 [2018-12-09 10:24:56,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,518 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,518 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:56,519 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:24:56,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,519 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,519 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 10:24:56,520 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 [2018-12-09 10:24:56,520 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,520 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,520 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,530 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-12-09 10:24:56,530 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-12-09 10:24:56,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,602 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 [2018-12-09 10:24:56,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,602 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,603 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,603 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:56,603 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,603 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,604 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 [2018-12-09 10:24:56,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,604 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,604 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,605 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:56,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,605 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 10:24:56,606 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 [2018-12-09 10:24:56,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,606 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,606 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,614 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:56,614 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:56,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,685 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 [2018-12-09 10:24:56,685 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,686 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,686 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:56,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,687 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 [2018-12-09 10:24:56,687 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,688 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,688 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:56,688 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,688 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 10:24:56,688 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 [2018-12-09 10:24:56,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,689 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,689 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:56,698 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-12-09 10:24:56,698 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-12-09 10:24:56,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 10:24:56,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,752 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:56,752 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:56,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,753 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 [2018-12-09 10:24:56,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:56,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,753 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:56,753 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:56,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,754 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 10:24:56,754 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 [2018-12-09 10:24:56,755 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,755 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:56,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,755 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,755 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,760 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-12-09 10:24:56,760 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-12-09 10:24:56,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,811 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 [2018-12-09 10:24:56,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,812 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:56,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,812 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,813 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:56,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,813 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 [2018-12-09 10:24:56,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,814 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:56,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,814 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:56,814 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:56,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,815 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 10:24:56,815 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 [2018-12-09 10:24:56,816 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,816 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:56,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,816 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,816 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,824 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:56,824 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:56,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,975 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 [2018-12-09 10:24:56,976 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,976 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:56,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,976 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,977 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:56,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 10:24:56,978 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,978 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:56,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:56,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:56,978 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:56,979 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:56,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:56,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:56,979 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 10:24:56,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 10:24:56,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:56,980 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:56,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:56,980 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:56,980 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:56,988 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-12-09 10:24:56,988 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-12-09 10:24:57,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,055 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 [2018-12-09 10:24:57,056 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,056 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:57,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,056 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:57,057 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:57,057 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,057 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 [2018-12-09 10:24:57,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,058 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:57,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,058 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:57,058 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:57,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,059 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 10:24:57,059 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 [2018-12-09 10:24:57,059 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,059 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:57,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,059 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,060 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,064 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:57,064 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:57,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,102 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 [2018-12-09 10:24:57,102 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,102 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:57,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,103 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,103 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:57,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,104 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 [2018-12-09 10:24:57,104 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,104 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:57,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,104 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,105 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:57,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,106 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 10:24:57,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 10:24:57,106 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,106 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:57,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,106 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,107 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:57,114 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-12-09 10:24:57,114 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-12-09 10:24:57,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,239 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 [2018-12-09 10:24:57,239 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,239 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:57,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,239 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:57,240 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:24:57,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,241 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 [2018-12-09 10:24:57,241 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,241 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:57,242 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,242 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:57,242 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:24:57,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,243 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-09 10:24:57,243 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-12-09 10:24:57,244 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2018-12-09 10:24:57,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-09 10:24:57,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:57,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:57,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:24:57,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:57,249 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-09 10:24:57,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:57,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:57,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,250 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 10:24:57,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:24:57,253 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-09 10:24:57,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:24:57,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:24:57,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 10:24:57,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:24:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:24:57,302 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 10:24:57,302 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 10:24:57,302 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 10:24:57,302 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 10:24:57,302 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 10:24:57,302 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 10:24:57,302 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 10:24:57,302 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 10:24:57,302 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 10:24:57,303 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 10:24:57,303 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 10:24:57,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,489 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 10:24:57,489 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:57,492 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 10:24:57,492 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 10:24:57,494 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 10:24:57,494 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_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:57,511 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 10:24:57,511 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 10:24:57,514 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 10:24:57,514 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:57,541 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 10:24:57,541 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7027ea5-4821-4dbb-8031-cb366e1efd40/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 [2018-12-09 10:24:57,562 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 10:24:57,562 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 10:24:57,613 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 10:24:57,615 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 10:24:57,616 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 10:24:57,616 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 10:24:57,616 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 10:24:57,616 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 10:24:57,616 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 10:24:57,616 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 10:24:57,616 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 10:24:57,616 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 10:24:57,616 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 10:24:57,616 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 10:24:57,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:24:57,774 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 10:24:57,774 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 10:24:57,775 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 [2018-12-09 10:24:57,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,776 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:57,776 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:24:57,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,777 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 [2018-12-09 10:24:57,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:57,778 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:24:57,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,779 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 [2018-12-09 10:24:57,779 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,780 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,780 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:24:57,783 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-12-09 10:24:57,783 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 10:24:57,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,802 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 10:24:57,802 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 [2018-12-09 10:24:57,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,803 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:57,803 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:57,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,804 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 [2018-12-09 10:24:57,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,805 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:57,805 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:57,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,806 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 [2018-12-09 10:24:57,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,806 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,807 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:57,812 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-12-09 10:24:57,812 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-12-09 10:24:57,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,862 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 10:24:57,862 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 [2018-12-09 10:24:57,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,864 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:57,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,864 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 [2018-12-09 10:24:57,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,865 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,866 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:57,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,867 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 [2018-12-09 10:24:57,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,867 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,867 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:57,875 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:57,876 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:57,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,925 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 10:24:57,925 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 [2018-12-09 10:24:57,926 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,926 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,926 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:57,927 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:57,927 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,928 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 [2018-12-09 10:24:57,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,929 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:57,929 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:57,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,930 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 [2018-12-09 10:24:57,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:24:57,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,930 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:57,931 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:57,938 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-12-09 10:24:57,939 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-12-09 10:24:57,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,995 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 10:24:57,995 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 [2018-12-09 10:24:57,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,996 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:57,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,996 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:57,997 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:57,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,997 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,998 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 [2018-12-09 10:24:57,998 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:57,998 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:57,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:57,998 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:57,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:57,998 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:57,999 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 10:24:57,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:57,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:57,999 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 [2018-12-09 10:24:58,000 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,000 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:58,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,000 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:58,000 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 10:24:58,006 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-12-09 10:24:58,006 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-12-09 10:24:58,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,154 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 10:24:58,154 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 [2018-12-09 10:24:58,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,155 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:58,155 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,155 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,155 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:58,156 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,156 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 [2018-12-09 10:24:58,157 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,157 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:58,157 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,157 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,158 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:58,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,158 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 [2018-12-09 10:24:58,159 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,159 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 10:24:58,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,159 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:58,159 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,167 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:58,167 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:58,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,317 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 10:24:58,317 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 [2018-12-09 10:24:58,318 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,318 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,318 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,318 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:58,319 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:58,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,320 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 [2018-12-09 10:24:58,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,320 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:58,321 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 10:24:58,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,321 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,322 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 [2018-12-09 10:24:58,322 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,322 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,322 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:58,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 10:24:58,330 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-12-09 10:24:58,331 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-12-09 10:24:58,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,424 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 10:24:58,424 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 [2018-12-09 10:24:58,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,425 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:58,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,425 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,425 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:58,425 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,426 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 [2018-12-09 10:24:58,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,427 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:58,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,427 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 10:24:58,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,428 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 [2018-12-09 10:24:58,429 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,429 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 10:24:58,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,429 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:58,429 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 10:24:58,435 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-12-09 10:24:58,435 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 10:24:58,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,468 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 10:24:58,468 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 [2018-12-09 10:24:58,469 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,469 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,469 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:58,469 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:24:58,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,471 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 [2018-12-09 10:24:58,471 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,471 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:24:58,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:24:58,471 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:58,472 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:24:58,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:24:58,473 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,473 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 [2018-12-09 10:24:58,473 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 10:24:58,473 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 10:24:58,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:24:58,474 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-12-09 10:24:58,474 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 10:24:58,482 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-12-09 10:24:58,482 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-12-09 10:24:58,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:24:58,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 10:24:58 BoogieIcfgContainer [2018-12-09 10:24:58,581 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 10:24:58,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:24:58,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:24:58,582 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:24:58,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:24:55" (3/4) ... [2018-12-09 10:24:58,584 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:24:58,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:24:58,585 INFO L168 Benchmark]: Toolchain (without parser) took 3195.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 952.2 MB in the beginning and 944.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 336.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:24:58,586 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 10:24:58,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:24:58,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 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. [2018-12-09 10:24:58,587 INFO L168 Benchmark]: Boogie Preprocessor took 10.64 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. [2018-12-09 10:24:58,587 INFO L168 Benchmark]: RCFGBuilder took 138.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:24:58,587 INFO L168 Benchmark]: BuchiAutomizer took 2902.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.1 GB in the beginning and 944.0 MB in the end (delta: 172.1 MB). Peak memory consumption was 498.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:24:58,588 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.4 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:24:58,590 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 118.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.30 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 10.64 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. * RCFGBuilder took 138.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2902.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.1 GB in the beginning and 944.0 MB in the end (delta: 172.1 MB). Peak memory consumption was 498.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.4 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 104ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...