./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/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 6051a5fb5d8f122488338219baae2c7290933e19 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:33:20,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:33:20,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:33:20,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:33:20,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:33:20,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:33:20,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:33:20,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:33:20,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:33:20,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:33:20,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:33:20,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:33:20,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:33:20,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:33:20,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:33:20,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:33:20,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:33:20,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:33:20,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:33:20,450 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:33:20,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:33:20,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:33:20,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:33:20,453 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:33:20,453 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:33:20,454 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:33:20,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:33:20,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:33:20,455 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:33:20,456 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:33:20,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:33:20,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:33:20,457 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:33:20,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:33:20,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:33:20,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:33:20,458 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-18 11:33:20,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:33:20,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:33:20,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:33:20,469 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:33:20,469 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:33:20,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:33:20,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:33:20,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:33:20,471 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:33:20,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:33:20,472 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:33:20,472 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:33:20,472 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:33:20,473 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_6c1b4892-5250-4735-b8b8-027329f7faef/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 -> 6051a5fb5d8f122488338219baae2c7290933e19 [2018-11-18 11:33:20,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:33:20,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:33:20,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:33:20,507 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:33:20,507 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:33:20,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca_true-termination.c.i [2018-11-18 11:33:20,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/data/87d03a75f/a3d1b0f0512b4873be9ad65449d44b21/FLAG964ebf859 [2018-11-18 11:33:20,888 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:33:20,889 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca_true-termination.c.i [2018-11-18 11:33:20,897 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/data/87d03a75f/a3d1b0f0512b4873be9ad65449d44b21/FLAG964ebf859 [2018-11-18 11:33:20,906 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/bin-2019/uautomizer/data/87d03a75f/a3d1b0f0512b4873be9ad65449d44b21 [2018-11-18 11:33:20,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:33:20,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:33:20,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:33:20,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:33:20,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:33:20,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:33:20" (1/1) ... [2018-11-18 11:33:20,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65414298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:20, skipping insertion in model container [2018-11-18 11:33:20,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:33:20" (1/1) ... [2018-11-18 11:33:20,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:33:20,944 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:33:21,114 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:33:21,123 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:33:21,147 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:33:21,179 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:33:21,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21 WrapperNode [2018-11-18 11:33:21,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:33:21,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:33:21,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:33:21,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:33:21,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:33:21,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:33:21,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:33:21,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:33:21,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:33:21,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:33:21,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:33:21,264 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:33:21,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c1b4892-5250-4735-b8b8-027329f7faef/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 [2018-11-18 11:33:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2018-11-18 11:33:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2018-11-18 11:33:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:33:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:33:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:33:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:33:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:33:21,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:33:21,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21 BoogieIcfgContainer [2018-11-18 11:33:21,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:33:21,455 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:33:21,455 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:33:21,457 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:33:21,458 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:33:21,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:33:20" (1/3) ... [2018-11-18 11:33:21,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@521121d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:33:21, skipping insertion in model container [2018-11-18 11:33:21,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:33:21,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:21" (2/3) ... [2018-11-18 11:33:21,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@521121d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:33:21, skipping insertion in model container [2018-11-18 11:33:21,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:33:21,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21" (3/3) ... [2018-11-18 11:33:21,461 INFO L375 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca_true-termination.c.i [2018-11-18 11:33:21,504 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:33:21,504 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:33:21,504 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:33:21,504 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:33:21,504 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:33:21,504 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:33:21,505 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:33:21,505 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:33:21,505 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:33:21,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-18 11:33:21,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 11:33:21,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:33:21,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:33:21,542 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-18 11:33:21,543 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 11:33:21,543 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:33:21,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-18 11:33:21,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 11:33:21,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:33:21,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:33:21,544 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-18 11:33:21,545 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 11:33:21,552 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true assume !(main_~n~0 < 0); 13#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2018-11-18 11:33:21,552 INFO L796 eck$LassoCheckResult]: Loop: 11#new_llENTRYtrue ~n := #in~n; 16#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 6#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 11#new_llENTRYtrue [2018-11-18 11:33:21,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:33:21,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2018-11-18 11:33:21,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:33:21,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:33:21,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:33:21,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:33:21,634 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2018-11-18 11:33:21,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:33:21,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:33:21,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:33:21,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:33:21,657 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2018-11-18 11:33:21,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:33:21,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:33:21,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:33:21,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:33:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:21,809 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2018-11-18 11:33:22,074 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:33:22,075 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:33:22,075 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:33:22,075 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:33:22,075 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 11:33:22,076 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:33:22,076 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:33:22,076 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:33:22,076 INFO L131 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-18 11:33:22,076 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:33:22,076 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:33:22,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:33:22,277 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:33:22,280 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 11:33:22,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 11:33:22,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,283 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,288 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 [2018-11-18 11:33:22,289 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,289 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,289 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,290 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,290 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,292 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 [2018-11-18 11:33:22,293 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,293 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,293 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,294 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,294 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,295 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,295 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 11:33:22,296 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,296 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,298 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 11:33:22,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,299 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,299 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,302 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,304 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 [2018-11-18 11:33:22,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:33:22,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,306 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:33:22,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:33:22,307 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,307 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 [2018-11-18 11:33:22,308 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:33:22,308 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,310 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:33:22,310 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:33:22,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:33:22,315 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 [2018-11-18 11:33:22,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:33:22,319 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:33:22,320 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-18 11:33:22,320 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:33:22,324 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-18 11:33:22,325 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 11:33:22,382 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 11:33:22,405 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-18 11:33:22,405 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-18 11:33:22,408 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 11:33:22,414 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-18 11:33:22,414 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 11:33:22,415 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2018-11-18 11:33:22,427 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-18 11:33:22,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:33:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:22,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:33:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:22,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:33:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:33:22,532 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-11-18 11:33:22,533 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2018-11-18 11:33:22,622 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 13 states. [2018-11-18 11:33:22,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 11:33:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 11:33:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2018-11-18 11:33:22,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-18 11:33:22,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:33:22,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-18 11:33:22,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:33:22,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-18 11:33:22,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:33:22,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2018-11-18 11:33:22,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:33:22,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-18 11:33:22,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:33:22,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:33:22,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:33:22,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:33:22,632 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:33:22,632 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:33:22,632 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:33:22,632 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:33:22,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:33:22,632 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:33:22,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 11:33:22,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:33:22 BoogieIcfgContainer [2018-11-18 11:33:22,636 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:33:22,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:33:22,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:33:22,637 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:33:22,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21" (3/4) ... [2018-11-18 11:33:22,639 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:33:22,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:33:22,639 INFO L168 Benchmark]: Toolchain (without parser) took 1731.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.6 MB in the beginning and 951.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 154.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:22,640 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:33:22,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 929.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:22,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 929.7 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:22,641 INFO L168 Benchmark]: Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:33:22,641 INFO L168 Benchmark]: RCFGBuilder took 191.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:22,642 INFO L168 Benchmark]: BuchiAutomizer took 1181.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:22,642 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 1.2 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:33:22,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 929.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 929.7 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1181.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 ms. Allocated memory is still 1.2 GB. Free memory is still 951.7 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 \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital106 mio100 ax100 hnf100 lsp71 ukn39 mio100 lsp46 div100 bol100 ite100 ukn100 eq214 hnf86 smp100 dnf130 smp100 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...