./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c -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 f48e7b9931723f1165b5bb8f3d86571b9aa1aa14 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:33:22,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:33:22,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:33:22,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:33:22,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:33:22,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:33:22,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:33:22,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:33:22,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:33:22,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:33:22,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:33:22,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:33:22,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:33:22,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:33:22,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:33:22,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:33:22,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:33:22,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:33:22,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:33:22,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:33:22,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:33:22,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:33:22,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:33:22,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:33:22,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:33:22,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:33:22,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:33:22,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:33:22,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:33:22,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:33:22,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:33:22,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:33:22,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:33:22,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:33:22,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:33:22,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:33:22,515 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:33:22,532 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:33:22,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:33:22,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:33:22,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:33:22,534 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:33:22,534 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:33:22,534 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:33:22,534 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:33:22,535 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:33:22,535 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:33:22,535 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:33:22,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:33:22,536 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:33:22,537 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:33:22,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:33:22,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:33:22,538 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:33:22,538 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:33:22,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:33:22,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:33:22,539 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:33:22,539 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:33:22,539 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:33:22,539 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:33:22,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:33:22,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:33:22,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:33:22,540 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:33:22,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:33:22,541 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:33:22,542 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:33:22,543 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:33:22,544 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 -> f48e7b9931723f1165b5bb8f3d86571b9aa1aa14 [2019-01-14 04:33:22,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:33:22,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:33:22,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:33:22,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:33:22,597 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:33:22,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:33:22,656 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e7bbfa/a992c5908479442dbad10dd51072bb96/FLAG36ad00124 [2019-01-14 04:33:23,140 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:33:23,141 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/recHanoi02_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:33:23,148 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e7bbfa/a992c5908479442dbad10dd51072bb96/FLAG36ad00124 [2019-01-14 04:33:23,497 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e7bbfa/a992c5908479442dbad10dd51072bb96 [2019-01-14 04:33:23,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:33:23,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:33:23,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:33:23,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:33:23,513 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:33:23,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7290c9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23, skipping insertion in model container [2019-01-14 04:33:23,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:33:23,548 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:33:23,741 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:33:23,745 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:33:23,762 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:33:23,776 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:33:23,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23 WrapperNode [2019-01-14 04:33:23,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:33:23,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:33:23,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:33:23,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:33:23,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:33:23,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:33:23,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:33:23,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:33:23,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (1/1) ... [2019-01-14 04:33:23,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:33:23,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:33:23,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:33:23,832 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:33:23,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (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 [2019-01-14 04:33:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-01-14 04:33:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-01-14 04:33:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:33:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:33:24,141 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:33:24,141 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 04:33:24,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:24 BoogieIcfgContainer [2019-01-14 04:33:24,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:33:24,143 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:33:24,143 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:33:24,146 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:33:24,147 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:24,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:33:23" (1/3) ... [2019-01-14 04:33:24,148 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0aa342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:33:24, skipping insertion in model container [2019-01-14 04:33:24,148 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:24,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:23" (2/3) ... [2019-01-14 04:33:24,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0aa342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:33:24, skipping insertion in model container [2019-01-14 04:33:24,149 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:24,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:24" (3/3) ... [2019-01-14 04:33:24,151 INFO L375 chiAutomizerObserver]: Analyzing ICFG recHanoi02_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:33:24,209 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:33:24,210 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:33:24,211 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:33:24,211 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:33:24,211 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:33:24,211 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:33:24,211 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:33:24,211 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:33:24,212 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:33:24,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-01-14 04:33:24,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:33:24,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:33:24,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:33:24,274 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-14 04:33:24,274 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 04:33:24,274 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:33:24,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-01-14 04:33:24,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:33:24,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:33:24,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:33:24,278 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-14 04:33:24,278 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 04:33:24,287 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L28true assume !(main_~n~0 < 1 || main_~n~0 > 31); 10#L31true call main_#t~ret2 := hanoi(main_~n~0);< 6#hanoiENTRYtrue [2019-01-14 04:33:24,287 INFO L796 eck$LassoCheckResult]: Loop: 6#hanoiENTRYtrue ~n := #in~n; 11#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := hanoi(~n - 1);< 6#hanoiENTRYtrue [2019-01-14 04:33:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:24,294 INFO L82 PathProgramCache]: Analyzing trace with hash 38903, now seen corresponding path program 1 times [2019-01-14 04:33:24,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:24,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:24,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:24,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:24,384 INFO L82 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2019-01-14 04:33:24,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:24,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:24,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:24,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:24,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1158959424, now seen corresponding path program 1 times [2019-01-14 04:33:24,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:24,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:24,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:24,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:24,709 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:24,710 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:24,710 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:24,710 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:24,711 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:33:24,711 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:24,711 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:24,711 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:24,711 INFO L131 ssoRankerPreferences]: Filename of dumped script: recHanoi02_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-14 04:33:24,711 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:24,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:24,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:24,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:24,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:24,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:24,935 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:24,935 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:24,941 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:24,941 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:24,954 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:33:24,954 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:24,976 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:24,977 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:24,980 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:33:24,980 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:25,003 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,028 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:33:25,029 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:25,046 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:33:25,046 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-2} Honda state: {hanoi_#in~n=-2} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [0, 1, 0] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,070 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:25,070 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:25,082 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:33:25,082 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret0=0} Honda state: {hanoi_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-01-14 04:33:25,307 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:33:25,358 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:25,358 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:25,358 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:25,359 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:25,359 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:33:25,359 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,360 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:25,360 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:25,360 INFO L131 ssoRankerPreferences]: Filename of dumped script: recHanoi02_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2019-01-14 04:33:25,360 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:25,360 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:25,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,664 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:25,664 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 04:33:25,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:25,675 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,700 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:33:25,700 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:25,726 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:33:25,728 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:25,728 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:25,728 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:25,728 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:25,728 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:33:25,728 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:25,728 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:25,729 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:25,729 INFO L131 ssoRankerPreferences]: Filename of dumped script: recHanoi02_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2019-01-14 04:33:25,729 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:25,729 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:25,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:25,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:26,306 WARN L181 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-14 04:33:26,309 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:26,315 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:33:26,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:33:26,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,331 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,331 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 [2019-01-14 04:33:26,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,336 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,338 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 [2019-01-14 04:33:26,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,342 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,345 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 [2019-01-14 04:33:26,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,349 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,355 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,356 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 [2019-01-14 04:33:26,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,359 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,360 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,365 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 [2019-01-14 04:33:26,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,368 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,369 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,372 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,374 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 [2019-01-14 04:33:26,377 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,377 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,377 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,379 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,379 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,383 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 [2019-01-14 04:33:26,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,387 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,390 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 [2019-01-14 04:33:26,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,397 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:26,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:26,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,398 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:26,398 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:26,406 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:26,407 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 [2019-01-14 04:33:26,407 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:26,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:26,412 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:33:26,412 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:26,434 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-01-14 04:33:26,438 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 04:33:26,596 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:33:26,665 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-01-14 04:33:26,665 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-01-14 04:33:26,667 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:33:26,678 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-01-14 04:33:26,681 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:33:26,681 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2019-01-14 04:33:26,715 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-14 04:33:26,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:26,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:26,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:33:27,115 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 [2019-01-14 04:33:27,116 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2019-01-14 04:33:27,402 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 33 states and 38 transitions. Complement of second has 13 states. [2019-01-14 04:33:27,403 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 [2019-01-14 04:33:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-14 04:33:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-01-14 04:33:27,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2019-01-14 04:33:27,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:27,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2019-01-14 04:33:27,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:27,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2019-01-14 04:33:27,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:27,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2019-01-14 04:33:27,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:27,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-01-14 04:33:27,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:33:27,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:33:27,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:33:27,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:33:27,422 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:27,422 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:27,422 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:27,423 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:33:27,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:33:27,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:27,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:33:27,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:33:27 BoogieIcfgContainer [2019-01-14 04:33:27,430 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:33:27,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:33:27,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:33:27,431 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:33:27,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:24" (3/4) ... [2019-01-14 04:33:27,435 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:33:27,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:33:27,436 INFO L168 Benchmark]: Toolchain (without parser) took 3930.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.7 MB in the beginning and 963.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:27,438 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-14 04:33:27,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.84 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. [2019-01-14 04:33:27,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.92 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. [2019-01-14 04:33:27,440 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 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. [2019-01-14 04:33:27,441 INFO L168 Benchmark]: RCFGBuilder took 310.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:27,442 INFO L168 Benchmark]: BuchiAutomizer took 3287.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:27,443 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 1.2 GB. Free memory is still 963.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:33:27,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.84 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 34.92 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 18.92 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. * RCFGBuilder took 310.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3287.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.88 ms. Allocated memory is still 1.2 GB. Free memory is still 963.6 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 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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: 8 SDtfs, 11 SDslu, 4 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: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 274ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...