./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc 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-recursive-malloc/selectionSort_recursive.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 ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:08:59,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:08:59,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 19:08:59,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:08:59,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:08:59,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:08:59,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:08:59,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:08:59,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:08:59,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:08:59,344 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:08:59,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:08:59,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:08:59,346 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:08:59,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:08:59,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:08:59,347 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:08:59,347 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:08:59,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:08:59,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:08:59,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:08:59,348 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:08:59,348 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 -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2025-02-06 19:08:59,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:08:59,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:08:59,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:08:59,571 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:08:59,571 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:08:59,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2025-02-06 19:09:00,647 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/090908bd2/0f1266a03037408594178feb44da8d7f/FLAG7023822d8 [2025-02-06 19:09:00,914 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:09:00,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2025-02-06 19:09:00,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/090908bd2/0f1266a03037408594178feb44da8d7f/FLAG7023822d8 [2025-02-06 19:09:01,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/090908bd2/0f1266a03037408594178feb44da8d7f [2025-02-06 19:09:01,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:09:01,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:09:01,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:09:01,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:09:01,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:09:01,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6224a050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01, skipping insertion in model container [2025-02-06 19:09:01,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:09:01,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:09:01,357 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:09:01,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:09:01,379 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:09:01,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01 WrapperNode [2025-02-06 19:09:01,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:09:01,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:09:01,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:09:01,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:09:01,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,402 INFO L138 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2025-02-06 19:09:01,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:09:01,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:09:01,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:09:01,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:09:01,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,422 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2025-02-06 19:09:01,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:09:01,437 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:09:01,437 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:09:01,437 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:09:01,438 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (1/1) ... [2025-02-06 19:09:01,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:01,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:01,476 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) [2025-02-06 19:09:01,479 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 [2025-02-06 19:09:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:09:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 19:09:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:09:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:09:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:09:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2025-02-06 19:09:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2025-02-06 19:09:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:09:01,556 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:09:01,557 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:09:01,653 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-06 19:09:01,654 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:09:01,659 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:09:01,659 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:09:01,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:09:01 BoogieIcfgContainer [2025-02-06 19:09:01,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:09:01,660 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:09:01,660 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:09:01,664 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:09:01,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:09:01,664 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:09:01" (1/3) ... [2025-02-06 19:09:01,665 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@739b64cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:09:01, skipping insertion in model container [2025-02-06 19:09:01,665 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:09:01,665 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:01" (2/3) ... [2025-02-06 19:09:01,665 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@739b64cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:09:01, skipping insertion in model container [2025-02-06 19:09:01,665 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:09:01,665 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:09:01" (3/3) ... [2025-02-06 19:09:01,666 INFO L363 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2025-02-06 19:09:01,698 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:09:01,698 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:09:01,698 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:09:01,698 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:09:01,699 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:09:01,699 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:09:01,699 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:09:01,699 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:09:01,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:09:01,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-06 19:09:01,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:01,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:01,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:09:01,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:09:01,716 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:09:01,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:09:01,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2025-02-06 19:09:01,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:01,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:01,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-06 19:09:01,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:09:01,721 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" [2025-02-06 19:09:01,721 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2025-02-06 19:09:01,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:01,725 INFO L85 PathProgramCache]: Analyzing trace with hash 41674, now seen corresponding path program 1 times [2025-02-06 19:09:01,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:01,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247076327] [2025-02-06 19:09:01,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:01,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:01,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:01,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,791 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:01,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:01,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:01,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:01,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2025-02-06 19:09:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:01,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149534321] [2025-02-06 19:09:01,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:01,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:09:01,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:09:01,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,828 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:01,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:09:01,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:09:01,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:01,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:01,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1291899, now seen corresponding path program 1 times [2025-02-06 19:09:01,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:01,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930667194] [2025-02-06 19:09:01,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:01,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:09:01,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:09:01,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,857 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:01,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:09:01,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:09:01,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:01,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:01,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:02,081 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:09:02,082 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:09:02,082 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:09:02,082 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:09:02,082 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:09:02,082 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,082 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:09:02,083 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:09:02,085 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2025-02-06 19:09:02,085 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:09:02,085 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:09:02,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:02,400 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:09:02,402 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:09:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,405 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) [2025-02-06 19:09:02,407 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 [2025-02-06 19:09:02,408 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 [2025-02-06 19:09:02,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:02,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:02,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:02,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:02,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:02,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:02,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:02,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:02,436 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 [2025-02-06 19:09:02,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,438 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) [2025-02-06 19:09:02,439 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 [2025-02-06 19:09:02,440 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 [2025-02-06 19:09:02,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:02,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:02,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:02,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:02,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:02,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:02,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:02,452 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:02,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:09:02,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,460 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) [2025-02-06 19:09:02,461 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 [2025-02-06 19:09:02,462 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 [2025-02-06 19:09:02,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:02,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:02,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:02,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:02,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:02,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:02,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:02,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:02,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:02,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,482 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) [2025-02-06 19:09:02,483 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 [2025-02-06 19:09:02,484 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 [2025-02-06 19:09:02,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:02,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:02,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:02,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:02,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:02,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:02,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:02,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:02,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-06 19:09:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,503 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) [2025-02-06 19:09:02,504 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 [2025-02-06 19:09:02,505 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 [2025-02-06 19:09:02,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:02,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:02,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:02,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:02,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:02,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:02,529 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:09:02,553 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2025-02-06 19:09:02,555 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-06 19:09:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:02,558 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) [2025-02-06 19:09:02,560 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 [2025-02-06 19:09:02,561 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:09:02,572 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:09:02,572 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:09:02,573 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2025-02-06 19:09:02,580 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 [2025-02-06 19:09:02,584 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2025-02-06 19:09:02,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:02,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:02,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:02,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:02,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:09:02,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:02,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:09:02,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:09:02,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:02,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:09:02,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:02,655 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 [2025-02-06 19:09:02,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2025-02-06 19:09:02,681 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21 states and 26 transitions. Complement of second has 3 states. [2025-02-06 19:09:02,682 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 [2025-02-06 19:09:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2025-02-06 19:09:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-02-06 19:09:02,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2025-02-06 19:09:02,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:02,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2025-02-06 19:09:02,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:02,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2025-02-06 19:09:02,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:02,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2025-02-06 19:09:02,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 19:09:02,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 12 states and 16 transitions. [2025-02-06 19:09:02,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-02-06 19:09:02,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-06 19:09:02,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2025-02-06 19:09:02,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:09:02,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-02-06 19:09:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2025-02-06 19:09:02,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-02-06 19:09:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2025-02-06 19:09:02,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-02-06 19:09:02,720 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-02-06 19:09:02,720 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:09:02,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2025-02-06 19:09:02,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-02-06 19:09:02,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:02,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:02,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-06 19:09:02,721 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:09:02,721 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< [2025-02-06 19:09:02,721 INFO L754 eck$LassoCheckResult]: Loop: "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< [2025-02-06 19:09:02,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash 40048864, now seen corresponding path program 1 times [2025-02-06 19:09:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297315027] [2025-02-06 19:09:02,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:02,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:02,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:09:02,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:09:02,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:02,756 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 [2025-02-06 19:09:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:02,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:02,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297315027] [2025-02-06 19:09:02,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297315027] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:09:02,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:09:02,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:09:02,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711228743] [2025-02-06 19:09:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:09:02,804 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:09:02,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:02,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1661101, now seen corresponding path program 1 times [2025-02-06 19:09:02,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:02,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739929983] [2025-02-06 19:09:02,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:02,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:09:02,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:09:02,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:02,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739929983] [2025-02-06 19:09:02,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739929983] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:09:02,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:09:02,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:09:02,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014923976] [2025-02-06 19:09:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:09:02,854 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:09:02,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:09:02,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:09:02,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:09:02,856 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:09:02,873 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2025-02-06 19:09:02,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2025-02-06 19:09:02,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:02,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 17 transitions. [2025-02-06 19:09:02,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:09:02,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 19:09:02,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2025-02-06 19:09:02,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:09:02,874 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-02-06 19:09:02,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2025-02-06 19:09:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-06 19:09:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2025-02-06 19:09:02,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-02-06 19:09:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:09:02,877 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-02-06 19:09:02,877 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:09:02,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2025-02-06 19:09:02,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:02,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:02,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:02,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-06 19:09:02,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:02,879 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< [2025-02-06 19:09:02,879 INFO L754 eck$LassoCheckResult]: Loop: "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< [2025-02-06 19:09:02,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:02,880 INFO L85 PathProgramCache]: Analyzing trace with hash 40048864, now seen corresponding path program 2 times [2025-02-06 19:09:02,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:02,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668703541] [2025-02-06 19:09:02,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:02,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:02,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:09:02,890 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:09:02,890 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:09:02,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:02,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:02,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668703541] [2025-02-06 19:09:02,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668703541] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:09:02,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:09:02,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:09:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351526492] [2025-02-06 19:09:02,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:09:02,929 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:09:02,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:02,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2050365409, now seen corresponding path program 1 times [2025-02-06 19:09:02,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371703645] [2025-02-06 19:09:02,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:02,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:02,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:02,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:02,952 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:02,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:02,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:02,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:02,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:02,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:03,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:09:03,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:09:03,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:09:03,249 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:03,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:09:03,254 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2025-02-06 19:09:03,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2025-02-06 19:09:03,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:03,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2025-02-06 19:09:03,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:09:03,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 19:09:03,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2025-02-06 19:09:03,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:09:03,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2025-02-06 19:09:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2025-02-06 19:09:03,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-06 19:09:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2025-02-06 19:09:03,256 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2025-02-06 19:09:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:09:03,257 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2025-02-06 19:09:03,257 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:09:03,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2025-02-06 19:09:03,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:03,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:03,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:03,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:09:03,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:03,258 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< [2025-02-06 19:09:03,258 INFO L754 eck$LassoCheckResult]: Loop: "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< [2025-02-06 19:09:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1241515089, now seen corresponding path program 1 times [2025-02-06 19:09:03,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633471396] [2025-02-06 19:09:03,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:03,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:09:03,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:09:03,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,269 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:03,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:09:03,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:09:03,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2050365409, now seen corresponding path program 2 times [2025-02-06 19:09:03,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136428087] [2025-02-06 19:09:03,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:03,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,280 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-02-06 19:09:03,284 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,284 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:03,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,285 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:03,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:03,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:03,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,297 INFO L85 PathProgramCache]: Analyzing trace with hash -153392689, now seen corresponding path program 1 times [2025-02-06 19:09:03,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685272384] [2025-02-06 19:09:03,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:09:03,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:09:03,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:03,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685272384] [2025-02-06 19:09:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685272384] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:09:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100882604] [2025-02-06 19:09:03,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:03,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:09:03,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:03,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:09:03,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 19:09:03,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:09:03,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:09:03,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:03,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:09:03,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:03,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:09:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:03,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100882604] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:09:03,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:09:03,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2025-02-06 19:09:03,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664526698] [2025-02-06 19:09:03,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:09:03,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:09:03,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 19:09:03,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-02-06 19:09:03,827 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 9 states have internal predecessors, (17), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:09:03,868 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2025-02-06 19:09:03,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2025-02-06 19:09:03,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:03,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2025-02-06 19:09:03,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:09:03,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 19:09:03,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2025-02-06 19:09:03,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:09:03,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2025-02-06 19:09:03,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2025-02-06 19:09:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-02-06 19:09:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2025-02-06 19:09:03,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2025-02-06 19:09:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:09:03,871 INFO L432 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2025-02-06 19:09:03,871 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:09:03,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2025-02-06 19:09:03,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-06 19:09:03,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:03,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:03,872 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2025-02-06 19:09:03,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:03,872 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< [2025-02-06 19:09:03,872 INFO L754 eck$LassoCheckResult]: Loop: "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< [2025-02-06 19:09:03,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,872 INFO L85 PathProgramCache]: Analyzing trace with hash -167737600, now seen corresponding path program 2 times [2025-02-06 19:09:03,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291997786] [2025-02-06 19:09:03,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:03,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 2 equivalence classes. [2025-02-06 19:09:03,884 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:03,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,885 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:03,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:03,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:03,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash -2050365409, now seen corresponding path program 3 times [2025-02-06 19:09:03,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633987803] [2025-02-06 19:09:03,899 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:09:03,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,904 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 2 equivalence classes. [2025-02-06 19:09:03,908 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,908 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 19:09:03,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,908 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:03,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:03,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:03,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:03,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash 647124032, now seen corresponding path program 2 times [2025-02-06 19:09:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:03,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853542423] [2025-02-06 19:09:03,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:03,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:03,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-02-06 19:09:03,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:09:03,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:03,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,946 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:03,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:09:03,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:09:03,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:03,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:03,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:04,430 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:09:04,430 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:09:04,430 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:09:04,430 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:09:04,430 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:09:04,430 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,431 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:09:04,431 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:09:04,431 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2025-02-06 19:09:04,431 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:09:04,431 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:09:04,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:04,832 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:09:04,832 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:09:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,837 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) [2025-02-06 19:09:04,838 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 [2025-02-06 19:09:04,839 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 [2025-02-06 19:09:04,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:04,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,860 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) [2025-02-06 19:09:04,861 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 [2025-02-06 19:09:04,862 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 [2025-02-06 19:09:04,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,879 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 [2025-02-06 19:09:04,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,881 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) [2025-02-06 19:09:04,882 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 [2025-02-06 19:09:04,883 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 [2025-02-06 19:09:04,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,900 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 [2025-02-06 19:09:04,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,901 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) [2025-02-06 19:09:04,902 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 [2025-02-06 19:09:04,903 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 [2025-02-06 19:09:04,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,920 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 [2025-02-06 19:09:04,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,922 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) [2025-02-06 19:09:04,923 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 [2025-02-06 19:09:04,924 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 [2025-02-06 19:09:04,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,941 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 [2025-02-06 19:09:04,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,943 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) [2025-02-06 19:09:04,944 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 [2025-02-06 19:09:04,944 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 [2025-02-06 19:09:04,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,958 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,964 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 [2025-02-06 19:09:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,966 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) [2025-02-06 19:09:04,967 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 [2025-02-06 19:09:04,967 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 [2025-02-06 19:09:04,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:04,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:04,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:04,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:04,984 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 [2025-02-06 19:09:04,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:04,987 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) [2025-02-06 19:09:04,988 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 [2025-02-06 19:09:04,989 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 [2025-02-06 19:09:04,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:04,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:04,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:04,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:04,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:05,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:05,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:05,001 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:05,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:05,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:05,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:05,008 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) [2025-02-06 19:09:05,008 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 [2025-02-06 19:09:05,009 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 [2025-02-06 19:09:05,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:05,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:05,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:05,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:05,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:05,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:05,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:05,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:05,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-06 19:09:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:05,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:05,027 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) [2025-02-06 19:09:05,028 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 [2025-02-06 19:09:05,030 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 [2025-02-06 19:09:05,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:05,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:05,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:05,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:05,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:05,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:05,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:09:05,065 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-02-06 19:09:05,065 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-06 19:09:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:05,067 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) [2025-02-06 19:09:05,069 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 [2025-02-06 19:09:05,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:09:05,080 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:09:05,080 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:09:05,080 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, selectionSort_#in~size) = -1*selectionSort_#in~startIndex + 1*selectionSort_#in~size Supporting invariants [] [2025-02-06 19:09:05,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:05,094 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2025-02-06 19:09:05,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:05,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:05,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:05,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:05,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:09:05,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:05,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:09:05,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:09:05,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:05,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:09:05,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:05,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:05,191 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-06 19:09:05,191 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:05,228 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 11 states. [2025-02-06 19:09:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:09:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2025-02-06 19:09:05,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 7 letters. [2025-02-06 19:09:05,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:05,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 7 letters. [2025-02-06 19:09:05,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:05,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 14 letters. [2025-02-06 19:09:05,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:05,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2025-02-06 19:09:05,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:09:05,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 31 states and 40 transitions. [2025-02-06 19:09:05,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2025-02-06 19:09:05,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2025-02-06 19:09:05,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2025-02-06 19:09:05,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:09:05,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2025-02-06 19:09:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2025-02-06 19:09:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 19. [2025-02-06 19:09:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2025-02-06 19:09:05,236 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2025-02-06 19:09:05,236 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2025-02-06 19:09:05,236 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:09:05,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2025-02-06 19:09:05,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:05,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:05,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:05,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:05,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:09:05,237 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" [2025-02-06 19:09:05,237 INFO L754 eck$LassoCheckResult]: Loop: "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" [2025-02-06 19:09:05,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2012924415, now seen corresponding path program 1 times [2025-02-06 19:09:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:05,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945144392] [2025-02-06 19:09:05,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:05,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:09:05,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:09:05,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,254 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:05,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:09:05,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:09:05,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:05,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:05,265 INFO L85 PathProgramCache]: Analyzing trace with hash 48593, now seen corresponding path program 1 times [2025-02-06 19:09:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007589084] [2025-02-06 19:09:05,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:05,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:05,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:05,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,271 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:05,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:05,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:05,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:05,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:05,274 INFO L85 PathProgramCache]: Analyzing trace with hash 697879315, now seen corresponding path program 1 times [2025-02-06 19:09:05,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:05,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726053202] [2025-02-06 19:09:05,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:05,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:05,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 19:09:05,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:09:05,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,282 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:05,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 19:09:05,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:09:05,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:05,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:05,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:05,660 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:09:05,660 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:09:05,660 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:09:05,660 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:09:05,660 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:09:05,660 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:05,660 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:09:05,660 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:09:05,660 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2025-02-06 19:09:05,660 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:09:05,660 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:09:05,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:05,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:06,017 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:09:06,017 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:09:06,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,020 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) [2025-02-06 19:09:06,021 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 [2025-02-06 19:09:06,022 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 [2025-02-06 19:09:06,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:06,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:06,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,041 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 [2025-02-06 19:09:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,043 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) [2025-02-06 19:09:06,044 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 [2025-02-06 19:09:06,045 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 [2025-02-06 19:09:06,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,061 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 [2025-02-06 19:09:06,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,063 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2025-02-06 19:09:06,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-06 19:09:06,064 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 [2025-02-06 19:09:06,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:06,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:06,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-06 19:09:06,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,084 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2025-02-06 19:09:06,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-06 19:09:06,086 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 [2025-02-06 19:09:06,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-06 19:09:06,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,105 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2025-02-06 19:09:06,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-06 19:09:06,107 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 [2025-02-06 19:09:06,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,126 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2025-02-06 19:09:06,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 19:09:06,127 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 [2025-02-06 19:09:06,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,147 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2025-02-06 19:09:06,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 19:09:06,149 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 [2025-02-06 19:09:06,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:06,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:06,162 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-06 19:09:06,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,170 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2025-02-06 19:09:06,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 19:09:06,172 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 [2025-02-06 19:09:06,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,183 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,191 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2025-02-06 19:09:06,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-06 19:09:06,193 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 [2025-02-06 19:09:06,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,207 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-06 19:09:06,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,216 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2025-02-06 19:09:06,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-06 19:09:06,218 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 [2025-02-06 19:09:06,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,239 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2025-02-06 19:09:06,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-06 19:09:06,243 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 [2025-02-06 19:09:06,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,264 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2025-02-06 19:09:06,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-06 19:09:06,266 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 [2025-02-06 19:09:06,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:06,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:06,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:06,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:06,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,284 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2025-02-06 19:09:06,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-06 19:09:06,286 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 [2025-02-06 19:09:06,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,295 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:09:06,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,297 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:09:06,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:06,301 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:06,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-06 19:09:06,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,308 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2025-02-06 19:09:06,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-06 19:09:06,310 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 [2025-02-06 19:09:06,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:06,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:06,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:06,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:06,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:06,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:06,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:09:06,365 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2025-02-06 19:09:06,365 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2025-02-06 19:09:06,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:06,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:06,368 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2025-02-06 19:09:06,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-06 19:09:06,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:09:06,381 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:09:06,381 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:09:06,381 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, v_rep(select #length selectionSort_~array.base)_1) = -8*selectionSort_~index~0 + 3*v_rep(select #length selectionSort_~array.base)_1 Supporting invariants [-1*selectionSort_~size + 2 >= 0] [2025-02-06 19:09:06,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-06 19:09:06,398 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2025-02-06 19:09:06,401 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:09:06,401 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:09:06,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:06,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 19:09:06,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 19:09:06,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:06,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:06,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:09:06,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:06,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:06,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:06,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:06,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:06,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:09:06,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:06,524 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2025-02-06 19:09:06,524 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:06,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 57 transitions. Complement of second has 13 states. [2025-02-06 19:09:06,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:09:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. [2025-02-06 19:09:06,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-06 19:09:06,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:06,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 12 letters. Loop has 3 letters. [2025-02-06 19:09:06,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:06,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 9 letters. Loop has 6 letters. [2025-02-06 19:09:06,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:06,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 57 transitions. [2025-02-06 19:09:06,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:06,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 32 states and 42 transitions. [2025-02-06 19:09:06,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2025-02-06 19:09:06,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2025-02-06 19:09:06,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2025-02-06 19:09:06,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:09:06,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2025-02-06 19:09:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2025-02-06 19:09:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2025-02-06 19:09:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2025-02-06 19:09:06,634 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2025-02-06 19:09:06,634 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2025-02-06 19:09:06,634 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:09:06,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2025-02-06 19:09:06,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:06,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:06,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:06,637 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:06,638 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:09:06,638 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" [2025-02-06 19:09:06,638 INFO L754 eck$LassoCheckResult]: Loop: "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" [2025-02-06 19:09:06,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:06,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2023582480, now seen corresponding path program 2 times [2025-02-06 19:09:06,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:06,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064767087] [2025-02-06 19:09:06,639 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:06,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 10 statements into 2 equivalence classes. [2025-02-06 19:09:06,647 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:09:06,649 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:06,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,650 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:06,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 19:09:06,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:09:06,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:06,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:06,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:06,658 INFO L85 PathProgramCache]: Analyzing trace with hash 48593, now seen corresponding path program 2 times [2025-02-06 19:09:06,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:06,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838228763] [2025-02-06 19:09:06,658 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:06,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:06,660 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:06,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:06,661 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:09:06,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,661 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:06,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:06,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:06,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:06,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:06,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:06,663 INFO L85 PathProgramCache]: Analyzing trace with hash -384676222, now seen corresponding path program 2 times [2025-02-06 19:09:06,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:06,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892117541] [2025-02-06 19:09:06,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:06,666 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-02-06 19:09:06,672 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:09:06,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:06,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,672 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:06,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:09:06,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:09:06,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:06,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:06,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:06,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:07,077 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:09:07,077 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:09:07,077 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:09:07,077 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:09:07,077 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:09:07,077 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,077 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:09:07,077 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:09:07,077 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration7_Lasso [2025-02-06 19:09:07,077 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:09:07,077 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:09:07,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:07,488 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:09:07,488 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:09:07,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,492 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2025-02-06 19:09:07,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-06 19:09:07,493 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 [2025-02-06 19:09:07,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:07,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:07,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:07,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:07,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,511 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2025-02-06 19:09:07,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-06 19:09:07,513 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 [2025-02-06 19:09:07,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:07,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:07,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-06 19:09:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,533 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2025-02-06 19:09:07,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-06 19:09:07,534 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 [2025-02-06 19:09:07,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:07,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:07,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:07,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-02-06 19:09:07,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,552 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2025-02-06 19:09:07,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-06 19:09:07,554 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 [2025-02-06 19:09:07,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:07,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:07,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:07,565 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-02-06 19:09:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,572 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2025-02-06 19:09:07,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-06 19:09:07,574 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 [2025-02-06 19:09:07,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:07,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:07,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-06 19:09:07,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,601 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2025-02-06 19:09:07,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-06 19:09:07,604 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 [2025-02-06 19:09:07,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:07,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:07,624 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:07,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-02-06 19:09:07,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,632 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2025-02-06 19:09:07,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-06 19:09:07,634 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 [2025-02-06 19:09:07,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:07,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:07,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:07,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:07,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:07,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:07,660 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:09:07,686 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2025-02-06 19:09:07,686 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2025-02-06 19:09:07,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:07,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,688 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2025-02-06 19:09:07,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-06 19:09:07,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:09:07,702 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:09:07,702 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:09:07,702 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~size, selectionSort_~index~0) = 1*selectionSort_~size - 1*selectionSort_~index~0 Supporting invariants [] [2025-02-06 19:09:07,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-06 19:09:07,716 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2025-02-06 19:09:07,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:07,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 19:09:07,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:09:07,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:07,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:07,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:09:07,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:07,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:07,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:07,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:07,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:07,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:09:07,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:07,779 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:09:07,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 29 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:07,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 29 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 50 transitions. Complement of second has 6 states. [2025-02-06 19:09:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:09:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2025-02-06 19:09:07,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 3 letters. [2025-02-06 19:09:07,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:07,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-06 19:09:07,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:07,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 6 letters. [2025-02-06 19:09:07,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:07,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2025-02-06 19:09:07,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:07,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 27 states and 35 transitions. [2025-02-06 19:09:07,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-02-06 19:09:07,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-02-06 19:09:07,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2025-02-06 19:09:07,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:09:07,798 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2025-02-06 19:09:07,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2025-02-06 19:09:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2025-02-06 19:09:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2025-02-06 19:09:07,800 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-02-06 19:09:07,800 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-02-06 19:09:07,800 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-06 19:09:07,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2025-02-06 19:09:07,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:07,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:07,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:07,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:07,801 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:09:07,801 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume !(#t~mem1 < #t~mem2);havoc #t~mem1;havoc #t~mem2;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" [2025-02-06 19:09:07,801 INFO L754 eck$LassoCheckResult]: Loop: "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" [2025-02-06 19:09:07,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash -855433250, now seen corresponding path program 1 times [2025-02-06 19:09:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:07,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887706744] [2025-02-06 19:09:07,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:07,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:09:07,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:09:07,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:07,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:07,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:07,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887706744] [2025-02-06 19:09:07,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887706744] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:09:07,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595536483] [2025-02-06 19:09:07,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:07,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:09:07,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:07,907 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:09:07,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-06 19:09:07,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:09:07,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:09:07,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:07,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:07,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 19:09:07,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:08,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:09:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:09:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595536483] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:09:08,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:09:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-06 19:09:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129598346] [2025-02-06 19:09:08,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:09:08,097 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:09:08,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,097 INFO L85 PathProgramCache]: Analyzing trace with hash 48593, now seen corresponding path program 3 times [2025-02-06 19:09:08,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361873531] [2025-02-06 19:09:08,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:09:08,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,099 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:08,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:08,103 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:09:08,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,103 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:08,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:08,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:09:08,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 19:09:08,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2025-02-06 19:09:08,147 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 17 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 4 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:08,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:09:08,204 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2025-02-06 19:09:08,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2025-02-06 19:09:08,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:08,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 25 transitions. [2025-02-06 19:09:08,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-02-06 19:09:08,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-06 19:09:08,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2025-02-06 19:09:08,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:09:08,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-02-06 19:09:08,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2025-02-06 19:09:08,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-02-06 19:09:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2025-02-06 19:09:08,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-02-06 19:09:08,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 19:09:08,207 INFO L432 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-02-06 19:09:08,207 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-06 19:09:08,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2025-02-06 19:09:08,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:08,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:08,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:08,208 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:08,208 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:09:08,208 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume !(#t~mem1 < #t~mem2);havoc #t~mem1;havoc #t~mem2;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" [2025-02-06 19:09:08,208 INFO L754 eck$LassoCheckResult]: Loop: "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" [2025-02-06 19:09:08,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1679774669, now seen corresponding path program 2 times [2025-02-06 19:09:08,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541268958] [2025-02-06 19:09:08,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,213 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-02-06 19:09:08,218 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:09:08,218 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:08,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:08,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:09:08,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541268958] [2025-02-06 19:09:08,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541268958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:09:08,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511155083] [2025-02-06 19:09:08,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:09:08,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:09:08,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:08,322 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:09:08,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-06 19:09:08,353 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-02-06 19:09:08,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:09:08,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:09:08,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:08,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:09:08,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:08,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:09:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:08,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511155083] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:09:08,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:09:08,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2025-02-06 19:09:08,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263937390] [2025-02-06 19:09:08,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:09:08,496 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:09:08,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,497 INFO L85 PathProgramCache]: Analyzing trace with hash 48593, now seen corresponding path program 4 times [2025-02-06 19:09:08,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514332936] [2025-02-06 19:09:08,497 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:09:08,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,499 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 3 statements into 2 equivalence classes. [2025-02-06 19:09:08,500 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,500 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:09:08,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,500 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:08,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:08,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:08,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:09:08,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 19:09:08,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2025-02-06 19:09:08,544 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 16 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:09:08,651 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2025-02-06 19:09:08,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2025-02-06 19:09:08,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:08,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 41 transitions. [2025-02-06 19:09:08,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-06 19:09:08,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-06 19:09:08,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2025-02-06 19:09:08,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:09:08,652 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2025-02-06 19:09:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2025-02-06 19:09:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2025-02-06 19:09:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2025-02-06 19:09:08,653 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2025-02-06 19:09:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 19:09:08,654 INFO L432 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2025-02-06 19:09:08,654 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-06 19:09:08,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2025-02-06 19:09:08,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:09:08,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:09:08,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:09:08,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:09:08,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:09:08,655 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~i~0#1 < main_~n~0#1;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~n~0#1);havoc main_~i~0#1;" "call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume !(#t~mem1 < #t~mem2);havoc #t~mem1;havoc #t~mem2;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume !(#t~mem1 < #t~mem2);havoc #t~mem1;havoc #t~mem2;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" "assume !(~index~0 < ~size);havoc ~index~0;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);"< "~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size;" "assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex;" [2025-02-06 19:09:08,655 INFO L754 eck$LassoCheckResult]: Loop: "assume ~index~0 < ~size;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * ~minIndex~0, 4);" "assume #t~mem1 < #t~mem2;havoc #t~mem1;havoc #t~mem2;~minIndex~0 := ~index~0;" "#t~post3 := ~index~0;~index~0 := 1 + #t~post3;havoc #t~post3;" [2025-02-06 19:09:08,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,655 INFO L85 PathProgramCache]: Analyzing trace with hash 464355580, now seen corresponding path program 3 times [2025-02-06 19:09:08,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933501153] [2025-02-06 19:09:08,656 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:09:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,665 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 20 statements into 4 equivalence classes. [2025-02-06 19:09:08,680 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:09:08,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 19:09:08,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,680 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:08,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:09:08,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:09:08,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:08,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,693 INFO L85 PathProgramCache]: Analyzing trace with hash 48593, now seen corresponding path program 5 times [2025-02-06 19:09:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232824843] [2025-02-06 19:09:08,693 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:09:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,696 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:08,697 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,697 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:09:08,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,697 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:08,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:08,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:08,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:08,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -472557834, now seen corresponding path program 1 times [2025-02-06 19:09:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:09:08,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221952773] [2025-02-06 19:09:08,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:09:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:09:08,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:09:08,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:09:08,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,710 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:09:08,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:09:08,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:09:08,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:08,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:09:08,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:09:09,539 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:09:09,539 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:09:09,539 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:09:09,539 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:09:09,539 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:09:09,539 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,539 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:09:09,539 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:09:09,539 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration10_Lasso [2025-02-06 19:09:09,539 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:09:09,539 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:09:09,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:09:09,907 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:09:09,907 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:09:09,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:09,909 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2025-02-06 19:09:09,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-06 19:09:09,912 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 [2025-02-06 19:09:09,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:09,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:09,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:09,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:09,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:09,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:09,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:09,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:09,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:09,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:09,932 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2025-02-06 19:09:09,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-06 19:09:09,933 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 [2025-02-06 19:09:09,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:09,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:09,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:09,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:09,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:09,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:09,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:09,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:09,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-06 19:09:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:09,951 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2025-02-06 19:09:09,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-06 19:09:09,953 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 [2025-02-06 19:09:09,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:09,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:09,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:09,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:09,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:09,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:09,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:09,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:09,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:09,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:09,971 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2025-02-06 19:09:09,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-06 19:09:09,972 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 [2025-02-06 19:09:09,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:09,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:09,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:09,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:09,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:09,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:09,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:09,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:09,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-02-06 19:09:09,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:09,991 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2025-02-06 19:09:09,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-06 19:09:09,993 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 [2025-02-06 19:09:10,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-06 19:09:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,011 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2025-02-06 19:09:10,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-06 19:09:10,013 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 [2025-02-06 19:09:10,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,024 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-06 19:09:10,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,032 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2025-02-06 19:09:10,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-06 19:09:10,034 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 [2025-02-06 19:09:10,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,052 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2025-02-06 19:09:10,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-06 19:09:10,055 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 [2025-02-06 19:09:10,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,074 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2025-02-06 19:09:10,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-06 19:09:10,076 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 [2025-02-06 19:09:10,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,095 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2025-02-06 19:09:10,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-06 19:09:10,096 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 [2025-02-06 19:09:10,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,107 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,115 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2025-02-06 19:09:10,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-06 19:09:10,116 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 [2025-02-06 19:09:10,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,134 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2025-02-06 19:09:10,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-06 19:09:10,135 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 [2025-02-06 19:09:10,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-06 19:09:10,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,153 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2025-02-06 19:09:10,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-06 19:09:10,155 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 [2025-02-06 19:09:10,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:10,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:10,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-02-06 19:09:10,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,175 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2025-02-06 19:09:10,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-06 19:09:10,176 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 [2025-02-06 19:09:10,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:09:10,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:09:10,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:09:10,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-02-06 19:09:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,194 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2025-02-06 19:09:10,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-06 19:09:10,196 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 [2025-02-06 19:09:10,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:10,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:10,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:10,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,218 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2025-02-06 19:09:10,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-06 19:09:10,227 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 [2025-02-06 19:09:10,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,237 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:09:10,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,238 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:09:10,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:10,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-02-06 19:09:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,249 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2025-02-06 19:09:10,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-02-06 19:09:10,251 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 [2025-02-06 19:09:10,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:10,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:10,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:09:10,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2025-02-06 19:09:10,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,272 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2025-02-06 19:09:10,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-02-06 19:09:10,273 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 [2025-02-06 19:09:10,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:09:10,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:09:10,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:09:10,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:09:10,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:09:10,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:09:10,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:09:10,312 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-02-06 19:09:10,312 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2025-02-06 19:09:10,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:09:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:09:10,315 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2025-02-06 19:09:10,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-02-06 19:09:10,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:09:10,326 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:09:10,326 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:09:10,326 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length selectionSort_~array.base)_3, selectionSort_~index~0) = 1*v_rep(select #length selectionSort_~array.base)_3 - 4*selectionSort_~index~0 Supporting invariants [1*selectionSort_~array.offset >= 0] [2025-02-06 19:09:10,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-02-06 19:09:10,341 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2025-02-06 19:09:10,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:09:10,343 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:09:10,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:10,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:09:10,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:09:10,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:10,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:10,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:10,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2025-02-06 19:09:10,498 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 43 transitions. Complement of second has 8 states. [2025-02-06 19:09:10,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:09:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2025-02-06 19:09:10,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 20 letters. Loop has 3 letters. [2025-02-06 19:09:10,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:10,547 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:09:10,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:10,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:09:10,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:09:10,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:10,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:10,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:10,686 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2025-02-06 19:09:10,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 43 transitions. Complement of second has 8 states. [2025-02-06 19:09:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:09:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2025-02-06 19:09:10,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 20 letters. Loop has 3 letters. [2025-02-06 19:09:10,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:10,728 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:09:10,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:09:10,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:09:10,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:09:10,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:09:10,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:09:10,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:09:10,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:09:10,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:09:10,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:09:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:09:10,884 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2025-02-06 19:09:10,884 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 12 states. [2025-02-06 19:09:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:09:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:09:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2025-02-06 19:09:10,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2025-02-06 19:09:10,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:10,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 23 letters. Loop has 3 letters. [2025-02-06 19:09:10,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:10,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 6 letters. [2025-02-06 19:09:10,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:09:10,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2025-02-06 19:09:10,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:09:10,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:09:10,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:09:10,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:09:10,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-06 19:09:10,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:09:10,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:09:10,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:09:10,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:09:10 BoogieIcfgContainer [2025-02-06 19:09:10,933 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:09:10,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:09:10,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:09:10,933 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:09:10,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:09:01" (3/4) ... [2025-02-06 19:09:10,935 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:09:10,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:09:10,936 INFO L158 Benchmark]: Toolchain (without parser) took 9717.45ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 124.2MB in the beginning and 77.5MB in the end (delta: 46.7MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2025-02-06 19:09:10,936 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:09:10,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.10ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 113.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:09:10,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.40ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:09:10,936 INFO L158 Benchmark]: Boogie Preprocessor took 34.03ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:09:10,937 INFO L158 Benchmark]: IcfgBuilder took 222.48ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 99.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:09:10,937 INFO L158 Benchmark]: BuchiAutomizer took 9272.71ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 99.1MB in the beginning and 77.5MB in the end (delta: 21.5MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2025-02-06 19:09:10,937 INFO L158 Benchmark]: Witness Printer took 2.09ms. Allocated memory is still 201.3MB. Free memory was 77.5MB in the beginning and 77.5MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:09:10,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.10ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 113.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.40ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.03ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 111.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 222.48ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 99.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 9272.71ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 99.1MB in the beginning and 77.5MB in the end (delta: 21.5MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Witness Printer took 2.09ms. Allocated memory is still 201.3MB. Free memory was 77.5MB in the beginning and 77.5MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (5 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + n) and consists of 2 locations. One deterministic module has affine ranking function (\old(size) + ((long) -1 * \old(startIndex))) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 10 locations. One deterministic module has affine ranking function (size + ((long) -1 * index)) and consists of 3 locations. One nondeterministic module has affine ranking function null and consists of 6 locations. 5 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 7.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 384 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 104 mSDtfsCounter, 384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital162 mio100 ax100 hnf100 lsp96 ukn76 mio100 lsp50 div117 bol100 ite100 ukn100 eq160 hnf92 smp93 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:09:10,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-02-06 19:09:11,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:11,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:11,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 19:09:11,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE