./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b2483ed4878f440f5477fb40e4fe96958613e0f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:26:15,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:26:15,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:26:15,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:26:15,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:26:15,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:26:15,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:26:15,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:26:15,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:26:15,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:26:15,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:26:15,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:26:15,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:26:15,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:26:15,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:26:15,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:26:15,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:26:15,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:26:15,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:26:15,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:26:15,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:26:15,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:26:15,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:26:15,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:26:15,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:26:15,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:26:15,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:26:15,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:26:15,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:26:15,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:26:15,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:26:15,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:26:15,497 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:26:15,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:26:15,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:26:15,499 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:26:15,499 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 03:26:15,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:26:15,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:26:15,512 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:26:15,513 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 03:26:15,513 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 03:26:15,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:26:15,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 03:26:15,515 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:26:15,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 03:26:15,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:26:15,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:26:15,516 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 03:26:15,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:26:15,516 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:26:15,516 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 03:26:15,517 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 03:26:15,517 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_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b2483ed4878f440f5477fb40e4fe96958613e0f [2018-11-23 03:26:15,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:26:15,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:26:15,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:26:15,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:26:15,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:26:15,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-23 03:26:15,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/data/20efa41a6/90ed488d7bf94f9eb0a6d13c4b93fcd0/FLAGd1b86d6ec [2018-11-23 03:26:15,951 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:26:15,951 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/sv-benchmarks/c/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-23 03:26:15,956 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/data/20efa41a6/90ed488d7bf94f9eb0a6d13c4b93fcd0/FLAGd1b86d6ec [2018-11-23 03:26:16,383 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/data/20efa41a6/90ed488d7bf94f9eb0a6d13c4b93fcd0 [2018-11-23 03:26:16,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:26:16,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:26:16,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:26:16,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:26:16,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:26:16,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f711c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16, skipping insertion in model container [2018-11-23 03:26:16,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:26:16,418 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:26:16,567 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:26:16,569 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:26:16,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:26:16,591 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:26:16,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16 WrapperNode [2018-11-23 03:26:16,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:26:16,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:26:16,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:26:16,592 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:26:16,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:26:16,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:26:16,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:26:16,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:26:16,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2018-11-23 03:26:16,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:26:16,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:26:16,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:26:16,632 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:26:16,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:26:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:26:16,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:26:16,829 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:26:16,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16 BoogieIcfgContainer [2018-11-23 03:26:16,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:26:16,830 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 03:26:16,830 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 03:26:16,832 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 03:26:16,833 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:26:16,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:26:16" (1/3) ... [2018-11-23 03:26:16,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ba8666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:26:16, skipping insertion in model container [2018-11-23 03:26:16,834 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:26:16,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (2/3) ... [2018-11-23 03:26:16,835 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ba8666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:26:16, skipping insertion in model container [2018-11-23 03:26:16,835 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:26:16,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16" (3/3) ... [2018-11-23 03:26:16,837 INFO L375 chiAutomizerObserver]: Analyzing ICFG jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-23 03:26:16,877 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:26:16,878 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 03:26:16,878 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 03:26:16,878 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 03:26:16,878 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:26:16,879 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:26:16,879 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 03:26:16,879 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:26:16,879 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 03:26:16,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-23 03:26:16,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 03:26:16,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:26:16,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:26:16,918 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 03:26:16,918 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 03:26:16,918 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 03:26:16,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-23 03:26:16,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 03:26:16,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:26:16,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:26:16,919 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 03:26:16,919 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 03:26:16,925 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_~i~0, main_~j~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~j~0 := main_#t~nondet2;havoc main_#t~nondet2; 12#L14true assume !!(main_~i~0 >= 0 && main_~i~0 <= 1000000); 3#L15true assume !!(main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0;main_~z~0 := 0; 8#L19-2true [2018-11-23 03:26:16,925 INFO L796 eck$LassoCheckResult]: Loop: 8#L19-2true assume !!(0 != main_~x~0);main_#t~post3 := main_~x~0;main_~x~0 := main_#t~post3 - 1;havoc main_#t~post3;main_~y~0 := main_~y~0 - 2;main_#t~post4 := main_~z~0;main_~z~0 := 1 + main_#t~post4;havoc main_#t~post4; 8#L19-2true [2018-11-23 03:26:16,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:16,929 INFO L82 PathProgramCache]: Analyzing trace with hash 30949, now seen corresponding path program 1 times [2018-11-23 03:26:16,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:16,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:16,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:16,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:16,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:17,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:17,001 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2018-11-23 03:26:17,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:17,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:17,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:17,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:17,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:17,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:17,010 INFO L82 PathProgramCache]: Analyzing trace with hash 959439, now seen corresponding path program 1 times [2018-11-23 03:26:17,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:17,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:17,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:17,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:17,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:26:17,064 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:26:17,064 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:26:17,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:26:17,065 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:26:17,065 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 03:26:17,065 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,065 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:26:17,065 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:26:17,066 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-11-23 03:26:17,066 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:26:17,066 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:26:17,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,245 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:26:17,245 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,264 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,265 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,284 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,284 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,301 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,301 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=3}] Lambdas: [0, 4, 1] Nus: [1, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,318 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,336 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,336 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,349 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-5}, {ULTIMATE.start_main_~y~0=-2}, {ULTIMATE.start_main_~y~0=5}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,366 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,366 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,370 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,370 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,399 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,431 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,443 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,444 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-5} Honda state: {ULTIMATE.start_main_~x~0=-5} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [13, 1, 0] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,462 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,463 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,466 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,466 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-23 03:26:17,535 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:26:17,535 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:26:17,535 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:26:17,535 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:26:17,535 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 03:26:17,536 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,536 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:26:17,536 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:26:17,536 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant_true-unreach-call_true-termination.c.i_Iteration1_Lasso [2018-11-23 03:26:17,536 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:26:17,536 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:26:17,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:17,663 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:26:17,663 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,665 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,668 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,668 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,690 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,717 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,717 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,732 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,732 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-4, ULTIMATE.start_main_~y~0=-8}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~j~0=4, ULTIMATE.start_main_~y~0=6}] Lambdas: [1, 15, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,749 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,749 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,751 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,751 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,768 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,768 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,770 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,770 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,786 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,788 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,789 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,805 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,805 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,825 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,825 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,839 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,839 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=3}] Lambdas: [0, 4, 1] Nus: [1, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,868 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,868 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:17,871 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:26:17,871 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_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,889 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:26:17,889 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8248dd53-990b-4d4f-a783-43a3423bfa98/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:17,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:26:17,923 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:26:19,899 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 03:26:19,902 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:26:19,902 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:26:19,902 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:26:19,903 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:26:19,903 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 03:26:19,903 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:26:19,903 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:26:19,903 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:26:19,903 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant_true-unreach-call_true-termination.c.i_Iteration1_Lasso [2018-11-23 03:26:19,903 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:26:19,903 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:26:19,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:19,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:26:20,016 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:26:20,020 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 03:26:20,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:26:20,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:26:20,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:26:20,023 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,025 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:26:20,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:26:20,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:26:20,029 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:26:20,030 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:26:20,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:26:20,030 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,031 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:26:20,031 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:26:20,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:26:20,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:26:20,033 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:26:20,033 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,036 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:26:20,036 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:26:20,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:26:20,055 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 [2018-11-23 03:26:20,056 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:26:20,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:26:20,056 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,057 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:26:20,057 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:26:20,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:26:20,058 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:26:20,059 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:26:20,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:26:20,059 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,060 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:26:20,060 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:26:20,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:26:20,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:26:20,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:26:20,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:26:20,062 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 03:26:20,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:26:20,071 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 03:26:20,071 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 03:26:20,137 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 03:26:20,174 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-11-23 03:26:20,174 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-23 03:26:20,176 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 03:26:20,179 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-23 03:26:20,179 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 03:26:20,180 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2018-11-23 03:26:20,183 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-23 03:26:20,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:20,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:20,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:26:20,271 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2018-11-23 03:26:20,272 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-23 03:26:20,320 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 32 states and 40 transitions. Complement of second has 6 states. [2018-11-23 03:26:20,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 03:26:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 03:26:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2018-11-23 03:26:20,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2018-11-23 03:26:20,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:26:20,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2018-11-23 03:26:20,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:26:20,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 03:26:20,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:26:20,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2018-11-23 03:26:20,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:26:20,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-23 03:26:20,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 03:26:20,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 03:26:20,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 03:26:20,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:26:20,331 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:26:20,331 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:26:20,331 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:26:20,331 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 03:26:20,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:26:20,331 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:26:20,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 03:26:20,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:26:20 BoogieIcfgContainer [2018-11-23 03:26:20,337 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 03:26:20,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:26:20,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:26:20,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:26:20,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16" (3/4) ... [2018-11-23 03:26:20,342 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:26:20,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:26:20,343 INFO L168 Benchmark]: Toolchain (without parser) took 3956.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 958.2 MB in the beginning and 898.1 MB in the end (delta: 60.1 MB). Peak memory consumption was 167.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:26:20,344 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:26:20,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.87 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:26:20,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.06 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:26:20,345 INFO L168 Benchmark]: Boogie Preprocessor took 15.40 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:26:20,346 INFO L168 Benchmark]: RCFGBuilder took 197.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:26:20,346 INFO L168 Benchmark]: BuchiAutomizer took 3507.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 898.1 MB in the end (delta: 194.7 MB). Peak memory consumption was 194.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:26:20,347 INFO L168 Benchmark]: Witness Printer took 4.32 ms. Allocated memory is still 1.1 GB. Free memory is still 898.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:26:20,348 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.87 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 24.06 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.40 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 197.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3507.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 898.1 MB in the end (delta: 194.7 MB). Peak memory consumption was 194.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.32 ms. Allocated memory is still 1.1 GB. Free memory is still 898.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 17 SDslu, 9 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax100 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf94 smp100 dnf144 smp100 tf102 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 117ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 5 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...