./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector-regression/recHanoi03-1.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 --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 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:14:51,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:14:51,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:14:51,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:14:51,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:14:51,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:14:51,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:14:51,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:14:51,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:14:51,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:14:51,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:14:51,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:14:51,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:14:51,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:14:51,485 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:14:51,485 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:14:51,485 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:14:51,485 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:14:51,486 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:14:51,486 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:14:51,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:14:51,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:14:51,487 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:14:51,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:14:51,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:14:51,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:14:51,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:14:51,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:14:51,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:14:51,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:14:51,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:14:51,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:14:51,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:14:51,489 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:14:51,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:14:51,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:14:51,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:14:51,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:14:51,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:14:51,491 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:14:51,491 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-11-17 08:14:51,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:14:51,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:14:51,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:14:51,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:14:51,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:14:51,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-17 08:14:53,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:14:53,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:14:53,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-17 08:14:53,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37951e1d9/b2b5f40c7094472a81275c75defdb288/FLAG3f8ee988d [2024-11-17 08:14:53,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37951e1d9/b2b5f40c7094472a81275c75defdb288 [2024-11-17 08:14:53,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:14:53,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:14:53,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:14:53,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:14:53,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:14:53,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b5d0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53, skipping insertion in model container [2024-11-17 08:14:53,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:14:53,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:14:53,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:14:53,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:14:53,537 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:14:53,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53 WrapperNode [2024-11-17 08:14:53,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:14:53,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:14:53,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:14:53,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:14:53,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,563 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-17 08:14:53,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:14:53,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:14:53,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:14:53,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:14:53,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,573 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,582 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:14:53,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,584 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:14:53,587 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:14:53,587 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:14:53,587 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:14:53,588 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (1/1) ... [2024-11-17 08:14:53,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:53,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:53,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:53,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:14:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:14:53,663 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-17 08:14:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-17 08:14:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:14:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:14:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:14:53,714 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:14:53,716 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:14:53,780 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: havoc #t~ret4; [2024-11-17 08:14:53,839 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-17 08:14:53,842 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:14:53,856 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:14:53,856 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:14:53,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:53 BoogieIcfgContainer [2024-11-17 08:14:53,857 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:14:53,859 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:14:53,859 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:14:53,862 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:14:53,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:53,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:14:53" (1/3) ... [2024-11-17 08:14:53,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a8517c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:14:53, skipping insertion in model container [2024-11-17 08:14:53,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:53,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:53" (2/3) ... [2024-11-17 08:14:53,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a8517c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:14:53, skipping insertion in model container [2024-11-17 08:14:53,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:53,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:53" (3/3) ... [2024-11-17 08:14:53,865 INFO L332 chiAutomizerObserver]: Analyzing ICFG recHanoi03-1.c [2024-11-17 08:14:53,916 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:14:53,916 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:14:53,916 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:14:53,916 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:14:53,916 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:14:53,916 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:14:53,916 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:14:53,916 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:14:53,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 08:14:53,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:14:53,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:53,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:53,938 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:14:53,939 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:14:53,939 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:14:53,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 08:14:53,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:14:53,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:53,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:53,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:14:53,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:14:53,945 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 13#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~bitwise7#1, main_#t~short8#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet5#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 17#L28true assume !(main_~n~0#1 < 1); 19#L31-1true call main_#t~ret6#1 := hanoi(main_~n~0#1);< 16#hanoiENTRYtrue [2024-11-17 08:14:53,945 INFO L747 eck$LassoCheckResult]: Loop: 16#hanoiENTRYtrue ~n := #in~n; 14#L19true assume !(1 == ~n); 5#L22-2true call #t~ret4 := hanoi(~n - 1);< 16#hanoiENTRYtrue [2024-11-17 08:14:53,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:53,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1722886, now seen corresponding path program 1 times [2024-11-17 08:14:53,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:53,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930485072] [2024-11-17 08:14:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:53,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:54,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:54,065 INFO L85 PathProgramCache]: Analyzing trace with hash 34748, now seen corresponding path program 1 times [2024-11-17 08:14:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:54,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689521555] [2024-11-17 08:14:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:54,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:54,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:54,084 INFO L85 PathProgramCache]: Analyzing trace with hash -213105769, now seen corresponding path program 1 times [2024-11-17 08:14:54,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90669089] [2024-11-17 08:14:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:54,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:54,175 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:54,175 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:54,175 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:54,175 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:54,176 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:14:54,176 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,176 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:54,176 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:54,176 INFO L132 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Loop [2024-11-17 08:14:54,176 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:54,176 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:54,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,257 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:54,257 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:14:54,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:14:54,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:14:54,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:14:54,277 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:14:54,277 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:14:54,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-17 08:14:54,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:14:54,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:14:54,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:14:54,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:14:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:14:54,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:14:54,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:14:54,349 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:14:54,349 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-8} Honda state: {hanoi_#in~n=-8} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [1, 1, 11] Nus: [0, 1] [2024-11-17 08:14:54,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:14:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:14:54,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:14:54,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:14:54,377 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:14:54,377 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret4=0} Honda state: {hanoi_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:14:54,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-17 08:14:54,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-17 08:14:54,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:14:54,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:14:54,403 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:14:54,403 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:14:54,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-17 08:14:54,605 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:54,605 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:54,605 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:54,605 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:54,606 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:54,606 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,606 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:54,606 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:54,606 INFO L132 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2024-11-17 08:14:54,606 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:54,607 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:54,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:54,808 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:54,812 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,814 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:14:54,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:54,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:54,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:54,828 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-17 08:14:54,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:54,836 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-17 08:14:54,836 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-17 08:14:54,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:54,867 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-17 08:14:54,868 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-17 08:14:54,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:54,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:54,886 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:54,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:14:54,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:54,900 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-17 08:14:54,901 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:54,901 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2024-11-17 08:14:54,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:54,918 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-17 08:14:54,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:54,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 08:14:54,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:54,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 08:14:54,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:55,055 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-17 08:14:55,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:55,179 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 46 transitions. Complement of second has 17 states. [2024-11-17 08:14:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2024-11-17 08:14:55,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-17 08:14:55,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:55,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-17 08:14:55,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:55,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-17 08:14:55,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:55,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 46 transitions. [2024-11-17 08:14:55,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:14:55,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2024-11-17 08:14:55,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:14:55,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:14:55,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:14:55,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:14:55,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:55,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:55,200 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:55,200 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:14:55,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:14:55,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:14:55,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:14:55,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:14:55 BoogieIcfgContainer [2024-11-17 08:14:55,208 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:14:55,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:14:55,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:14:55,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:14:55,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:53" (3/4) ... [2024-11-17 08:14:55,213 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:14:55,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:14:55,215 INFO L158 Benchmark]: Toolchain (without parser) took 1892.70ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 61.1MB in the end (delta: 70.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,215 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:14:55,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.17ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 119.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.36ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,217 INFO L158 Benchmark]: Boogie Preprocessor took 22.44ms. Allocated memory is still 182.5MB. Free memory was 118.2MB in the beginning and 117.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:14:55,217 INFO L158 Benchmark]: IcfgBuilder took 269.95ms. Allocated memory is still 182.5MB. Free memory was 117.0MB in the beginning and 147.0MB in the end (delta: -30.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,217 INFO L158 Benchmark]: BuchiAutomizer took 1349.67ms. Allocated memory is still 182.5MB. Free memory was 147.0MB in the beginning and 62.1MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,218 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 182.5MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:14:55,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.17ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 119.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.36ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.44ms. Allocated memory is still 182.5MB. Free memory was 118.2MB in the beginning and 117.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 269.95ms. Allocated memory is still 182.5MB. Free memory was 117.0MB in the beginning and 147.0MB in the end (delta: -30.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1349.67ms. Allocated memory is still 182.5MB. Free memory was 147.0MB in the beginning and 62.1MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 182.5MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp66 ukn81 mio100 lsp96 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf147 smp100 tf103 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 88ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:14:55,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:55,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE