./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:25:47,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:25:47,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:25:47,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:25:47,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:25:47,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:25:48,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:25:48,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:25:48,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:25:48,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:25:48,014 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:25:48,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:25:48,015 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:25:48,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:25:48,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:25:48,016 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:25:48,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:25:48,017 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:25:48,017 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:25:48,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:25:48,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:25:48,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:25:48,017 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:25:48,017 INFO L153 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 [2025-02-08 14:25:48,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:25:48,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:25:48,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:25:48,260 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:25:48,260 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:25:48,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2025-02-08 14:25:49,391 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eabb566a5/4f16b4e932ad468f8a25ff6189b5eda4/FLAGa3823b9e0 [2025-02-08 14:25:49,690 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:25:49,691 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2025-02-08 14:25:49,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eabb566a5/4f16b4e932ad468f8a25ff6189b5eda4/FLAGa3823b9e0 [2025-02-08 14:25:49,956 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eabb566a5/4f16b4e932ad468f8a25ff6189b5eda4 [2025-02-08 14:25:49,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:25:49,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:25:49,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:25:49,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:25:49,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:25:49,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:25:49" (1/1) ... [2025-02-08 14:25:49,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63171e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:49, skipping insertion in model container [2025-02-08 14:25:49,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:25:49" (1/1) ... [2025-02-08 14:25:49,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:25:50,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:25:50,195 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:25:50,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:25:50,234 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:25:50,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50 WrapperNode [2025-02-08 14:25:50,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:25:50,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:25:50,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:25:50,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:25:50,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,259 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2025-02-08 14:25:50,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:25:50,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:25:50,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:25:50,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:25:50,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,274 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 4 writes are split as follows [4]. [2025-02-08 14:25:50,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:25:50,285 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:25:50,285 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:25:50,285 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:25:50,286 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (1/1) ... [2025-02-08 14:25:50,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:50,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:50,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:25:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:25:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:25:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 14:25:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 14:25:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 14:25:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:25:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:25:50,403 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:25:50,405 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:25:50,530 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-02-08 14:25:50,530 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:25:50,539 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:25:50,539 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:25:50,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:50 BoogieIcfgContainer [2025-02-08 14:25:50,540 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:25:50,541 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:25:50,541 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:25:50,545 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:25:50,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:50,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:25:49" (1/3) ... [2025-02-08 14:25:50,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5585efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:25:50, skipping insertion in model container [2025-02-08 14:25:50,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:50,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:50" (2/3) ... [2025-02-08 14:25:50,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5585efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:25:50, skipping insertion in model container [2025-02-08 14:25:50,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:50,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:50" (3/3) ... [2025-02-08 14:25:50,549 INFO L363 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2025-02-08 14:25:50,584 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:25:50,585 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:25:50,585 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:25:50,585 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:25:50,585 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:25:50,586 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:25:50,586 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:25:50,586 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:25:50,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:50,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-02-08 14:25:50,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:25:50,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:25:50,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:25:50,604 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:25:50,604 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:25:50,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:50,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-02-08 14:25:50,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:25:50,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:25:50,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:25:50,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:25:50,611 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1;" [2025-02-08 14:25:50,611 INFO L754 eck$LassoCheckResult]: Loop: "assume init_cll_~i~0#1 < init_cll_~n#1;call init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;havoc init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;call write~int#0(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$#0(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset;havoc init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset;init_cll_#t~post4#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post4#1;havoc init_cll_#t~post4#1;" [2025-02-08 14:25:50,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash 40, now seen corresponding path program 1 times [2025-02-08 14:25:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384974312] [2025-02-08 14:25:50,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:50,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:50,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:50,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,711 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:50,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:50,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:50,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:50,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:50,743 INFO L85 PathProgramCache]: Analyzing trace with hash 39, now seen corresponding path program 1 times [2025-02-08 14:25:50,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:50,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131594846] [2025-02-08 14:25:50,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:50,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:50,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:50,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:50,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,780 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:50,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:50,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:50,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1248, now seen corresponding path program 1 times [2025-02-08 14:25:50,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:50,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958656738] [2025-02-08 14:25:50,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:50,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:50,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:50,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,841 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:50,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:50,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:50,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:50,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:50,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:51,565 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:25:51,567 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:25:51,567 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:25:51,567 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:25:51,567 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:25:51,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:51,568 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:25:51,568 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:25:51,568 INFO L132 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2025-02-08 14:25:51,568 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:25:51,568 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:25:51,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:51,941 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:25:51,943 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:25:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:51,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:51,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-08 14:25:51,950 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 [2025-02-08 14:25:51,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:51,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:51,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:51,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:51,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:51,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:51,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:51,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:51,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-08 14:25:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:51,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:51,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:25:51,981 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 [2025-02-08 14:25:51,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:51,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:51,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:51,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:51,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:51,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:51,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:51,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:52,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:25:52,004 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 [2025-02-08 14:25:52,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-08 14:25:52,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:25:52,028 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 [2025-02-08 14:25:52,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:52,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,052 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:25:52,055 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 [2025-02-08 14:25:52,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,071 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:52,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:25:52,083 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 [2025-02-08 14:25:52,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:25:52,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:25:52,106 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 [2025-02-08 14:25:52,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:52,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,129 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:25:52,131 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 [2025-02-08 14:25:52,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,143 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-08 14:25:52,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,152 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-08 14:25:52,155 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 [2025-02-08 14:25:52,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-08 14:25:52,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-08 14:25:52,191 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 [2025-02-08 14:25:52,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:25:52,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-08 14:25:52,216 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 [2025-02-08 14:25:52,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-08 14:25:52,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,239 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-08 14:25:52,241 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 [2025-02-08 14:25:52,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-08 14:25:52,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,263 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-08 14:25:52,264 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 [2025-02-08 14:25:52,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:52,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:52,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-08 14:25:52,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-08 14:25:52,295 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 [2025-02-08 14:25:52,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:52,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:52,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-08 14:25:52,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,330 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-08 14:25:52,332 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 [2025-02-08 14:25:52,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-08 14:25:52,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,351 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-08 14:25:52,353 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 [2025-02-08 14:25:52,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:52,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:52,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:52,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,382 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-08 14:25:52,385 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 [2025-02-08 14:25:52,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:52,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:52,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:52,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-08 14:25:52,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,410 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-08 14:25:52,411 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 [2025-02-08 14:25:52,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:52,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:52,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:52,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-08 14:25:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,439 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-08 14:25:52,446 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 [2025-02-08 14:25:52,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:52,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:52,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:52,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:52,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:52,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:52,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:25:52,491 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2025-02-08 14:25:52,493 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2025-02-08 14:25:52,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:52,497 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:25:52,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-08 14:25:52,500 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:25:52,513 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:25:52,513 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:25:52,513 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~i~0#1, ULTIMATE.start_init_cll_~n#1) = -1*ULTIMATE.start_init_cll_~i~0#1 + 1*ULTIMATE.start_init_cll_~n#1 Supporting invariants [] [2025-02-08 14:25:52,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-08 14:25:52,528 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2025-02-08 14:25:52,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:52,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:52,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:52,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:25:52,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:25:52,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:25:52,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:25:52,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:25:52,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:25:52,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:25:52,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:25:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:25:52,608 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-02-08 14:25:52,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:52,633 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 13 transitions. Complement of second has 3 states. [2025-02-08 14:25:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-02-08 14:25:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. [2025-02-08 14:25:52,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 1 letters. [2025-02-08 14:25:52,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:52,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-08 14:25:52,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:52,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-08 14:25:52,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:52,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. [2025-02-08 14:25:52,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:25:52,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 6 states and 8 transitions. [2025-02-08 14:25:52,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2025-02-08 14:25:52,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2025-02-08 14:25:52,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2025-02-08 14:25:52,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:25:52,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-02-08 14:25:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2025-02-08 14:25:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2025-02-08 14:25:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2025-02-08 14:25:52,666 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 7 transitions. [2025-02-08 14:25:52,667 INFO L432 stractBuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2025-02-08 14:25:52,667 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:25:52,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2025-02-08 14:25:52,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:25:52,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:25:52,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:25:52,667 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:25:52,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:25:52,668 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1;" "assume !(init_cll_~i~0#1 < init_cll_~n#1);havoc init_cll_~i~0#1;call write~$Pointer$#0(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset;main_#t~ret8#1.base, main_#t~ret8#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;havoc init_cll_#in~n#1;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~nondet9#1;assume { :begin_inline_search } true;search_#in~head#1.base, search_#in~head#1.offset, search_#in~i#1 := main_~head~1#1.base, main_~head~1#1.offset, main_#t~nondet9#1;havoc search_#t~mem5#1, search_#t~mem6#1.base, search_#t~mem6#1.offset, search_~head#1.base, search_~head#1.offset, search_~i#1, search_~curr~1#1.base, search_~curr~1#1.offset;search_~head#1.base, search_~head#1.offset := search_#in~head#1.base, search_#in~head#1.offset;search_~i#1 := search_#in~i#1;search_~curr~1#1.base, search_~curr~1#1.offset := search_~head#1.base, search_~head#1.offset;" [2025-02-08 14:25:52,668 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call search_#t~mem5#1 := read~int#0(search_~curr~1#1.base, search_~curr~1#1.offset, 4);" "assume search_#t~mem5#1 != search_~i#1;havoc search_#t~mem5#1;call search_#t~mem6#1.base, search_#t~mem6#1.offset := read~$Pointer$#0(search_~curr~1#1.base, 4 + search_~curr~1#1.offset, 8);search_~curr~1#1.base, search_~curr~1#1.offset := search_#t~mem6#1.base, search_#t~mem6#1.offset;havoc search_#t~mem6#1.base, search_#t~mem6#1.offset;" [2025-02-08 14:25:52,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1247, now seen corresponding path program 1 times [2025-02-08 14:25:52,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:52,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484996561] [2025-02-08 14:25:52,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:52,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:52,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:52,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,694 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:52,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:52,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:52,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:52,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1120, now seen corresponding path program 1 times [2025-02-08 14:25:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:52,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586306854] [2025-02-08 14:25:52,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:52,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:52,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:52,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,724 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:52,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:52,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:52,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:52,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:52,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1198526, now seen corresponding path program 1 times [2025-02-08 14:25:52,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:52,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728670568] [2025-02-08 14:25:52,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:52,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:25:52,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:25:52,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,753 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:52,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:25:52,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:25:52,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:52,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:52,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:53,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-08 14:25:53,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:53,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:53,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:53,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:53,165 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:53,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:25:53,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:25:53,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:53,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:53,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:25:53 BoogieIcfgContainer [2025-02-08 14:25:53,201 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:25:53,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:25:53,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:25:53,201 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:25:53,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:50" (3/4) ... [2025-02-08 14:25:53,204 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-08 14:25:53,231 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 14:25:53,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:25:53,231 INFO L158 Benchmark]: Toolchain (without parser) took 3272.47ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 90.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2025-02-08 14:25:53,232 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:53,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.14ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 95.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:25:53,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.61ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:53,233 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:53,234 INFO L158 Benchmark]: IcfgBuilder took 254.73ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:25:53,234 INFO L158 Benchmark]: BuchiAutomizer took 2660.08ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 93.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:53,234 INFO L158 Benchmark]: Witness Printer took 29.75ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 90.1MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:53,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.14ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 95.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.61ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 254.73ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2660.08ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 93.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.75ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 90.1MB in the end (delta: 3.4MB). There was no memory consumed. 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) and one nonterminating remainder module.One deterministic module has affine ranking function (n + ((long) -1 * i)) and consists of 2 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax100 hnf100 lsp98 ukn30 mio100 lsp33 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf151 smp85 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={4052:0}, head={4052:0}, i=1, n=0] [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={4052:0}, i=27] Loop: [L564] COND TRUE curr->val != i [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={4052:0}, head={4052:0}, i=1, n=0] [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={4052:0}, i=27] Loop: [L564] COND TRUE curr->val != i [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-08 14:25:53,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)