./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6cf45fad85d859bd49993135d653eb18d378c433 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:00:46,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:00:46,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:00:46,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:00:46,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:00:46,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:00:46,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:00:46,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:00:46,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:00:46,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:00:46,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:00:46,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:00:46,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:00:46,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:00:46,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:00:46,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:00:46,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:00:46,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:00:46,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:00:46,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:00:46,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:00:46,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:00:46,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:00:46,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:00:46,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:00:46,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:00:46,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:00:46,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:00:46,537 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:00:46,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:00:46,542 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:00:46,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:00:46,543 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:00:46,543 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:00:46,544 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:00:46,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:00:46,545 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:00:46,562 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:00:46,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:00:46,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:00:46,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:00:46,563 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:00:46,564 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:00:46,564 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:00:46,564 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:00:46,565 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:00:46,565 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:00:46,565 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:00:46,565 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:00:46,565 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:00:46,566 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:00:46,567 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:00:46,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:00:46,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:00:46,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:00:46,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:00:46,568 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:00:46,568 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:00:46,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:00:46,569 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:00:46,569 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:00:46,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:00:46,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:00:46,569 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:00:46,570 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:00:46,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:00:46,571 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:00:46,571 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:00:46,572 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:00:46,572 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 6cf45fad85d859bd49993135d653eb18d378c433 [2019-01-01 23:00:46,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:00:46,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:00:46,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:00:46,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:00:46,642 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:00:46,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2019-01-01 23:00:46,715 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a07700f/c7b3cd1a128a44c99edc9832e51a0ca1/FLAGd8f406f1d [2019-01-01 23:00:47,149 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:00:47,150 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2019-01-01 23:00:47,161 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a07700f/c7b3cd1a128a44c99edc9832e51a0ca1/FLAGd8f406f1d [2019-01-01 23:00:47,525 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a07700f/c7b3cd1a128a44c99edc9832e51a0ca1 [2019-01-01 23:00:47,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:00:47,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:00:47,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:00:47,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:00:47,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:00:47,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36312303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47, skipping insertion in model container [2019-01-01 23:00:47,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:00:47,568 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:00:47,752 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:00:47,756 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:00:47,781 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:00:47,804 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:00:47,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47 WrapperNode [2019-01-01 23:00:47,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:00:47,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:00:47,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:00:47,806 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:00:47,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:00:47,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:00:47,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:00:47,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:00:47,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... [2019-01-01 23:00:47,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:00:47,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:00:47,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:00:47,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:00:47,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:00:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 23:00:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:00:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:00:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 23:00:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:00:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 23:00:48,330 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:00:48,331 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 23:00:48,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:00:48 BoogieIcfgContainer [2019-01-01 23:00:48,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:00:48,332 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:00:48,333 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:00:48,337 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:00:48,338 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:00:48,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:00:47" (1/3) ... [2019-01-01 23:00:48,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f4a570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:00:48, skipping insertion in model container [2019-01-01 23:00:48,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:00:48,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:00:47" (2/3) ... [2019-01-01 23:00:48,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f4a570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:00:48, skipping insertion in model container [2019-01-01 23:00:48,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:00:48,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:00:48" (3/3) ... [2019-01-01 23:00:48,344 INFO L375 chiAutomizerObserver]: Analyzing ICFG array_true-unreach-call2_true-termination.i [2019-01-01 23:00:48,401 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:00:48,402 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:00:48,402 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:00:48,402 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:00:48,402 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:00:48,402 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:00:48,403 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:00:48,403 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:00:48,403 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:00:48,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 23:00:48,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 23:00:48,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:00:48,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:00:48,447 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:00:48,447 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 23:00:48,447 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:00:48,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 23:00:48,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 23:00:48,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:00:48,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:00:48,449 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:00:48,449 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 23:00:48,457 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~mem1, main_#t~post0, main_#t~mem2, main_#t~mem3, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 4#L13-3true [2019-01-01 23:00:48,457 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(main_~i~0 < 2048);call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 6#L13-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 4#L13-3true [2019-01-01 23:00:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:00:48,464 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-01-01 23:00:48,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:00:48,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:00:48,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:00:48,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:00:48,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-01-01 23:00:48,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:00:48,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:00:48,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:00:48,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:00:48,627 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2019-01-01 23:00:48,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:00:48,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:00:48,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:00:48,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:00:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:00:48,842 WARN L181 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-01 23:00:48,973 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-01 23:00:49,141 WARN L181 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-01-01 23:00:49,359 WARN L181 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-01-01 23:00:49,370 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:00:49,371 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:00:49,372 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:00:49,372 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:00:49,372 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:00:49,372 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:00:49,372 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:00:49,373 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:00:49,373 INFO L131 ssoRankerPreferences]: Filename of dumped script: array_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-01 23:00:49,373 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:00:49,373 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:00:49,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:49,686 WARN L181 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-01-01 23:00:49,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:00:50,078 WARN L181 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 23:00:50,260 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-01 23:00:50,539 WARN L181 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 19 [2019-01-01 23:00:50,616 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:00:50,622 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:00:50,624 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 [2019-01-01 23:00:50,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,634 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 [2019-01-01 23:00:50,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,636 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,636 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,638 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 [2019-01-01 23:00:50,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,640 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,642 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 [2019-01-01 23:00:50,642 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,643 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,644 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,646 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 [2019-01-01 23:00:50,647 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,647 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,650 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:00:50,650 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:00:50,656 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,657 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 [2019-01-01 23:00:50,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,658 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,658 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,662 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:00:50,663 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:00:50,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,675 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 [2019-01-01 23:00:50,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,676 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,676 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,677 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,677 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:00:50,686 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,686 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:00:50,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,687 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,687 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:00:50,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:00:50,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,691 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 [2019-01-01 23:00:50,695 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,696 INFO L205 nArgumentSynthesizer]: 4 stem disjuncts [2019-01-01 23:00:50,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,696 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,707 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:00:50,708 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:00:50,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,742 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 [2019-01-01 23:00:50,743 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,744 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,746 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:00:50,746 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:00:50,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:00:50,750 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 [2019-01-01 23:00:50,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:00:50,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:00:50,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:00:50,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:00:50,757 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:00:50,757 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:00:50,843 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:00:50,884 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-01-01 23:00:50,885 INFO L444 ModelExtractionUtils]: 13 out of 19 variables were initially zero. Simplification set additionally 3 variables to zero. [2019-01-01 23:00:50,891 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:00:50,893 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-01 23:00:50,894 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:00:50,894 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1) = -8*ULTIMATE.start_main_~i~0 + 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2019-01-01 23:00:51,010 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-01-01 23:00:51,034 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2019-01-01 23:00:51,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:00:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:00:51,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:00:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:00:51,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:00:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:00:51,250 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 23:00:51,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-01-01 23:00:51,465 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 8 states. [2019-01-01 23:00:51,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:00:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 23:00:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-01-01 23:00:51,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-01 23:00:51,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:00:51,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-01 23:00:51,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:00:51,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-01 23:00:51,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:00:51,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2019-01-01 23:00:51,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:00:51,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-01-01 23:00:51,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:00:51,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:00:51,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:00:51,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:00:51,485 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:00:51,485 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:00:51,485 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:00:51,485 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:00:51,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:00:51,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:00:51,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:00:51,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:00:51 BoogieIcfgContainer [2019-01-01 23:00:51,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:00:51,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:00:51,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:00:51,493 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:00:51,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:00:48" (3/4) ... [2019-01-01 23:00:51,497 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:00:51,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:00:51,498 INFO L168 Benchmark]: Toolchain (without parser) took 3969.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.7 MB in the beginning and 983.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:00:51,500 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:00:51,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.93 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:00:51,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:00:51,502 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:00:51,503 INFO L168 Benchmark]: RCFGBuilder took 441.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:00:51,504 INFO L168 Benchmark]: BuchiAutomizer took 3159.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:00:51,505 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 1.2 GB. Free memory is still 983.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:00:51,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.93 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 54.57 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.04 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3159.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.13 ms. Allocated memory is still 1.2 GB. Free memory is still 983.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 -8 * i + 4095 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. 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: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax100 hnf100 lsp95 ukn63 mio100 lsp64 div100 bol100 ite100 ukn100 eq164 hnf76 smp100 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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...