./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/UpAndDown.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 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-restricted-15/UpAndDown.c -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 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:02:53,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:02:53,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-01-10 07:02:53,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:02:53,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:02:53,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:02:53,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:02:53,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:02:53,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:02:53,274 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:02:53,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:02:53,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:02:53,276 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:02:53,276 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:02:53,276 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:02:53,276 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:02:53,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:02:53,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:02:53,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:02:53,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:02:53,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:02:53,279 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:02:53,279 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 -> 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 [2025-01-10 07:02:53,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:02:53,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:02:53,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:02:53,588 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:02:53,588 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:02:53,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/UpAndDown.c [2025-01-10 07:02:54,813 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fa50e257/0c35292cbcbc4ba885dd552cc0c26d9f/FLAGe1b884eed [2025-01-10 07:02:55,058 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:02:55,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/UpAndDown.c [2025-01-10 07:02:55,074 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fa50e257/0c35292cbcbc4ba885dd552cc0c26d9f/FLAGe1b884eed [2025-01-10 07:02:55,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fa50e257/0c35292cbcbc4ba885dd552cc0c26d9f [2025-01-10 07:02:55,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:02:55,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:02:55,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:55,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:02:55,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:02:55,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b533ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55, skipping insertion in model container [2025-01-10 07:02:55,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:02:55,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:55,566 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:02:55,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:55,590 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:02:55,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55 WrapperNode [2025-01-10 07:02:55,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:55,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:55,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:02:55,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:02:55,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,615 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2025-01-10 07:02:55,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:55,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:02:55,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:02:55,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:02:55,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,627 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 07:02:55,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:02:55,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:02:55,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:02:55,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:02:55,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (1/1) ... [2025-01-10 07:02:55,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:55,671 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) [2025-01-10 07:02:55,676 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 [2025-01-10 07:02:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:02:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:02:55,758 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:02:55,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:02:55,821 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-01-10 07:02:55,822 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:02:55,828 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:02:55,828 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 07:02:55,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:55 BoogieIcfgContainer [2025-01-10 07:02:55,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:02:55,829 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:02:55,829 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:02:55,833 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:02:55,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:55,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:02:55" (1/3) ... [2025-01-10 07:02:55,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7da729eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:55, skipping insertion in model container [2025-01-10 07:02:55,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:55,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:55" (2/3) ... [2025-01-10 07:02:55,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7da729eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:55, skipping insertion in model container [2025-01-10 07:02:55,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:55,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:55" (3/3) ... [2025-01-10 07:02:55,836 INFO L363 chiAutomizerObserver]: Analyzing ICFG UpAndDown.c [2025-01-10 07:02:55,879 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:02:55,880 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:02:55,880 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:02:55,880 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:02:55,880 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:02:55,881 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:02:55,881 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:02:55,881 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:02:55,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2025-01-10 07:02:55,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-01-10 07:02:55,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:55,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:55,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:55,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:55,906 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:02:55,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2025-01-10 07:02:55,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-01-10 07:02:55,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:55,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:55,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:55,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:55,915 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" [2025-01-10 07:02:55,915 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:55,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:55,919 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2025-01-10 07:02:55,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:55,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640737615] [2025-01-10 07:02:55,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:55,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:55,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:55,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:55,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:55,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:55,984 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:55,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:55,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:55,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:55,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1111464, now seen corresponding path program 1 times [2025-01-10 07:02:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69985937] [2025-01-10 07:02:56,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:56,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:56,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69985937] [2025-01-10 07:02:56,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69985937] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:56,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:56,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 07:02:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174995565] [2025-01-10 07:02:56,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:56,088 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:02:56,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:56,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:02:56,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:02:56,113 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2025-01-10 07:02:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:56,142 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2025-01-10 07:02:56,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2025-01-10 07:02:56,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-01-10 07:02:56,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2025-01-10 07:02:56,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-01-10 07:02:56,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-01-10 07:02:56,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2025-01-10 07:02:56,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:02:56,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2025-01-10 07:02:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2025-01-10 07:02:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-01-10 07:02:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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) [2025-01-10 07:02:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2025-01-10 07:02:56,169 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2025-01-10 07:02:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:02:56,173 INFO L432 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2025-01-10 07:02:56,173 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:02:56,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2025-01-10 07:02:56,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-01-10 07:02:56,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:56,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:56,174 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:56,175 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:56,175 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" [2025-01-10 07:02:56,175 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" [2025-01-10 07:02:56,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2025-01-10 07:02:56,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807800357] [2025-01-10 07:02:56,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:56,181 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:56,181 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:56,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,181 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:56,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:56,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1111466, now seen corresponding path program 1 times [2025-01-10 07:02:56,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926742929] [2025-01-10 07:02:56,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,193 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,199 INFO L85 PathProgramCache]: Analyzing trace with hash 889538668, now seen corresponding path program 1 times [2025-01-10 07:02:56,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095061269] [2025-01-10 07:02:56,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:56,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:56,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,206 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:56,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:56,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,272 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:56,273 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:56,273 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:56,273 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:56,273 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:56,273 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,273 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:56,273 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:56,273 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration2_Loop [2025-01-10 07:02:56,273 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:56,274 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:56,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,388 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:56,388 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:56,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,393 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) [2025-01-10 07:02:56,396 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 [2025-01-10 07:02:56,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:56,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:56,413 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:56,413 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:56,420 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 [2025-01-10 07:02:56,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,422 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) [2025-01-10 07:02:56,423 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 [2025-01-10 07:02:56,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:56,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:56,450 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:56,450 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:56,458 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 [2025-01-10 07:02:56,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,460 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) [2025-01-10 07:02:56,461 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 [2025-01-10 07:02:56,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:56,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:56,481 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:56,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:56,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-01-10 07:02:56,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,490 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) [2025-01-10 07:02:56,491 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 [2025-01-10 07:02:56,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:56,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:56,510 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 [2025-01-10 07:02:56,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,512 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) [2025-01-10 07:02:56,513 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 [2025-01-10 07:02:56,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:56,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:56,529 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:56,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-01-10 07:02:56,535 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:56,535 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:56,535 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:56,535 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:56,535 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:56,535 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,535 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:56,535 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:56,535 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration2_Loop [2025-01-10 07:02:56,535 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:56,535 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:56,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:56,613 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:56,617 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:56,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,620 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) [2025-01-10 07:02:56,621 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 [2025-01-10 07:02:56,622 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 [2025-01-10 07:02:56,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:56,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:56,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:56,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:56,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:56,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:56,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:56,652 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 [2025-01-10 07:02:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:56,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:02:56,656 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 [2025-01-10 07:02:56,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:56,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:56,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:56,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:56,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:56,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:56,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:56,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-01-10 07:02:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,692 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) [2025-01-10 07:02:56,694 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 [2025-01-10 07:02:56,695 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 [2025-01-10 07:02:56,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:56,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:56,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:56,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:56,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:56,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:56,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:56,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:56,712 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:56,714 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:56,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:56,718 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) [2025-01-10 07:02:56,719 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 [2025-01-10 07:02:56,719 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:56,719 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:56,719 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:56,720 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:02:56,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-01-10 07:02:56,729 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:56,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:56,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:56,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:56,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:56,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:56,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:56,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:56,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:56,819 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 [2025-01-10 07:02:56,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-01-10 07:02:56,846 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 [2025-01-10 07:02:56,899 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 41 states and 63 transitions. Complement of second has 8 states. [2025-01-10 07:02:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2025-01-10 07:02:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2025-01-10 07:02:56,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2025-01-10 07:02:56,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:56,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2025-01-10 07:02:56,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:56,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2025-01-10 07:02:56,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:56,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 63 transitions. [2025-01-10 07:02:56,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2025-01-10 07:02:56,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 31 states and 45 transitions. [2025-01-10 07:02:56,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2025-01-10 07:02:56,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2025-01-10 07:02:56,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2025-01-10 07:02:56,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:56,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2025-01-10 07:02:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2025-01-10 07:02:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2025-01-10 07:02:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 25 states have internal predecessors, (38), 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) [2025-01-10 07:02:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 38 transitions. [2025-01-10 07:02:56,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 38 transitions. [2025-01-10 07:02:56,922 INFO L432 stractBuchiCegarLoop]: Abstraction has 26 states and 38 transitions. [2025-01-10 07:02:56,922 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:02:56,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 38 transitions. [2025-01-10 07:02:56,923 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2025-01-10 07:02:56,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:56,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:56,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-01-10 07:02:56,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:56,924 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2025-01-10 07:02:56,924 INFO L754 eck$LassoCheckResult]: Loop: "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" [2025-01-10 07:02:56,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 07:02:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906525543] [2025-01-10 07:02:56,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:56,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:56,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,939 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:56,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:56,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1268278, now seen corresponding path program 1 times [2025-01-10 07:02:56,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551907479] [2025-01-10 07:02:56,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,956 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:56,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:56,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:56,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1805954520, now seen corresponding path program 1 times [2025-01-10 07:02:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:56,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043621333] [2025-01-10 07:02:56,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:56,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:56,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:02:56,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:02:56,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,978 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:56,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:02:56,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:02:56,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:56,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:56,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:57,036 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:57,036 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:57,036 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:57,036 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:57,037 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:57,037 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,037 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:57,037 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:57,037 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration3_Loop [2025-01-10 07:02:57,037 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:57,037 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:57,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,146 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:57,146 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:57,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,149 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) [2025-01-10 07:02:57,152 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 [2025-01-10 07:02:57,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:57,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:57,176 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:57,176 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:57,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:57,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,188 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) [2025-01-10 07:02:57,190 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 [2025-01-10 07:02:57,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:57,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:57,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:57,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,216 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) [2025-01-10 07:02:57,218 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 [2025-01-10 07:02:57,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:57,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:57,254 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:57,259 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 [2025-01-10 07:02:57,259 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:57,259 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:57,259 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:57,259 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:57,259 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:57,259 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,259 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:57,259 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:57,259 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration3_Loop [2025-01-10 07:02:57,259 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:57,259 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:57,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,367 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:57,367 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,371 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) [2025-01-10 07:02:57,374 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 [2025-01-10 07:02:57,375 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 [2025-01-10 07:02:57,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:57,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:57,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:57,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:57,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:57,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:57,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:57,402 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 [2025-01-10 07:02:57,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,404 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) [2025-01-10 07:02:57,407 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 [2025-01-10 07:02:57,408 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 [2025-01-10 07:02:57,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:57,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:57,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:57,420 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:02:57,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:57,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:57,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:57,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:57,428 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:57,428 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:57,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,430 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) [2025-01-10 07:02:57,431 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 [2025-01-10 07:02:57,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:57,431 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:57,431 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:57,431 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:02:57,437 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 [2025-01-10 07:02:57,438 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:57,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:57,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:57,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:57,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:57,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:57,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:57,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:57,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:57,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:57,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:57,495 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 [2025-01-10 07:02:57,496 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 38 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:57,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 38 transitions. cyclomatic complexity: 16. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 55 transitions. Complement of second has 7 states. [2025-01-10 07:02:57,520 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 [2025-01-10 07:02:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2025-01-10 07:02:57,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2025-01-10 07:02:57,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:57,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2025-01-10 07:02:57,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:57,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2025-01-10 07:02:57,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:57,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 55 transitions. [2025-01-10 07:02:57,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-01-10 07:02:57,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 30 states and 45 transitions. [2025-01-10 07:02:57,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-01-10 07:02:57,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2025-01-10 07:02:57,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 45 transitions. [2025-01-10 07:02:57,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:57,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 45 transitions. [2025-01-10 07:02:57,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 45 transitions. [2025-01-10 07:02:57,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-01-10 07:02:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.5) internal successors, (45), 29 states have internal predecessors, (45), 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) [2025-01-10 07:02:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 45 transitions. [2025-01-10 07:02:57,528 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 45 transitions. [2025-01-10 07:02:57,528 INFO L432 stractBuchiCegarLoop]: Abstraction has 30 states and 45 transitions. [2025-01-10 07:02:57,528 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:02:57,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 45 transitions. [2025-01-10 07:02:57,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-01-10 07:02:57,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:57,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:57,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-01-10 07:02:57,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:57,529 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:57,530 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:57,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash 889540526, now seen corresponding path program 1 times [2025-01-10 07:02:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182201837] [2025-01-10 07:02:57,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:57,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:57,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:57,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,537 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:57,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:57,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:57,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:57,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1111402, now seen corresponding path program 1 times [2025-01-10 07:02:57,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:57,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829029278] [2025-01-10 07:02:57,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:57,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:57,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:57,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:57,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:57,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:57,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829029278] [2025-01-10 07:02:57,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829029278] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:57,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:57,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:02:57,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535318022] [2025-01-10 07:02:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:57,584 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:02:57,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:57,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:02:57,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:02:57,585 INFO L87 Difference]: Start difference. First operand 30 states and 45 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2025-01-10 07:02:57,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:57,597 INFO L93 Difference]: Finished difference Result 32 states and 47 transitions. [2025-01-10 07:02:57,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 47 transitions. [2025-01-10 07:02:57,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2025-01-10 07:02:57,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 47 transitions. [2025-01-10 07:02:57,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-01-10 07:02:57,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-01-10 07:02:57,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 47 transitions. [2025-01-10 07:02:57,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:57,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 47 transitions. [2025-01-10 07:02:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 47 transitions. [2025-01-10 07:02:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-01-10 07:02:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 30 states have internal predecessors, (46), 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) [2025-01-10 07:02:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 46 transitions. [2025-01-10 07:02:57,603 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 46 transitions. [2025-01-10 07:02:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:02:57,604 INFO L432 stractBuchiCegarLoop]: Abstraction has 31 states and 46 transitions. [2025-01-10 07:02:57,604 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-01-10 07:02:57,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 46 transitions. [2025-01-10 07:02:57,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2025-01-10 07:02:57,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:57,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:57,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-01-10 07:02:57,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:57,605 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:57,605 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:57,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash 889540526, now seen corresponding path program 2 times [2025-01-10 07:02:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:57,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083844929] [2025-01-10 07:02:57,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:57,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:57,611 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:57,614 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:57,617 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:57,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,617 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:57,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:57,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:57,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:57,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1113386, now seen corresponding path program 1 times [2025-01-10 07:02:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:57,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47549488] [2025-01-10 07:02:57,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:57,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:57,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:57,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:57,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,632 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:57,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:57,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:57,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:57,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1923305897, now seen corresponding path program 1 times [2025-01-10 07:02:57,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:57,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313964160] [2025-01-10 07:02:57,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:57,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:02:57,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:57,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,651 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:57,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:02:57,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:57,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:57,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:57,705 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:57,705 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:57,705 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:57,705 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:57,706 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:57,706 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,706 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:57,706 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:57,706 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration5_Loop [2025-01-10 07:02:57,706 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:57,706 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:57,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,794 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:57,794 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,797 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) [2025-01-10 07:02:57,799 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 [2025-01-10 07:02:57,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:57,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:57,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:57,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,821 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) [2025-01-10 07:02:57,822 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 [2025-01-10 07:02:57,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:57,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:57,835 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:57,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-01-10 07:02:57,842 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:57,842 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:57,842 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:57,842 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:57,842 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:57,842 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,842 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:57,842 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:57,842 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration5_Loop [2025-01-10 07:02:57,842 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:57,842 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:57,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:57,923 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:57,923 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:57,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,926 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) [2025-01-10 07:02:57,928 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 [2025-01-10 07:02:57,929 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 [2025-01-10 07:02:57,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:57,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:57,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:57,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:57,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:57,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:57,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:57,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:57,945 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:57,945 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:02:57,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:57,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:57,949 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) [2025-01-10 07:02:57,950 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 [2025-01-10 07:02:57,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:57,951 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:57,951 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:57,951 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2025-01-10 07:02:57,959 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 [2025-01-10 07:02:57,960 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:57,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:57,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:57,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:57,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:57,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:57,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:57,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:57,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:57,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:57,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:57,993 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 07:02:57,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:58,049 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 [2025-01-10 07:02:58,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 46 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 07:02:58,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 46 transitions. cyclomatic complexity: 19. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 43 states and 63 transitions. Complement of second has 7 states. [2025-01-10 07:02:58,093 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 [2025-01-10 07:02:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 07:02:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-01-10 07:02:58,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2025-01-10 07:02:58,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2025-01-10 07:02:58,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 8 letters. [2025-01-10 07:02:58,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 63 transitions. [2025-01-10 07:02:58,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2025-01-10 07:02:58,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 61 transitions. [2025-01-10 07:02:58,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2025-01-10 07:02:58,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2025-01-10 07:02:58,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 61 transitions. [2025-01-10 07:02:58,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:58,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 61 transitions. [2025-01-10 07:02:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 61 transitions. [2025-01-10 07:02:58,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2025-01-10 07:02:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.5128205128205128) internal successors, (59), 38 states have internal predecessors, (59), 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) [2025-01-10 07:02:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 59 transitions. [2025-01-10 07:02:58,100 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 59 transitions. [2025-01-10 07:02:58,100 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 59 transitions. [2025-01-10 07:02:58,100 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-01-10 07:02:58,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 59 transitions. [2025-01-10 07:02:58,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2025-01-10 07:02:58,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:58,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:58,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2025-01-10 07:02:58,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:58,102 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:02:58,102 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:02:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 149953777, now seen corresponding path program 1 times [2025-01-10 07:02:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:58,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770792853] [2025-01-10 07:02:58,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:58,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:58,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:58,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:58,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:58,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770792853] [2025-01-10 07:02:58,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770792853] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:58,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:58,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:02:58,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204155539] [2025-01-10 07:02:58,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:58,140 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1452266, now seen corresponding path program 2 times [2025-01-10 07:02:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031797271] [2025-01-10 07:02:58,141 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:58,143 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:58,146 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:58,147 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:58,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:58,147 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:58,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:58,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:58,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:58,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:58,190 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:58,190 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:58,190 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:58,190 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:58,190 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:58,190 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,190 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:58,190 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:58,190 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration6_Loop [2025-01-10 07:02:58,190 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:58,190 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:58,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-01-10 07:02:58,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:58,279 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:58,280 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,282 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) [2025-01-10 07:02:58,284 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 [2025-01-10 07:02:58,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,302 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:58,302 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:58,307 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 [2025-01-10 07:02:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,309 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) [2025-01-10 07:02:58,310 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 [2025-01-10 07:02:58,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,328 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:58,329 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:58,334 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 [2025-01-10 07:02:58,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,336 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) [2025-01-10 07:02:58,337 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 [2025-01-10 07:02:58,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,355 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:58,355 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:58,361 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 [2025-01-10 07:02:58,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,363 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) [2025-01-10 07:02:58,364 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 [2025-01-10 07:02:58,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-01-10 07:02:58,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,385 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) [2025-01-10 07:02:58,386 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 [2025-01-10 07:02:58,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:58,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,399 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:58,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-01-10 07:02:58,405 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:58,405 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:58,405 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:58,405 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:58,405 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:58,405 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,405 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:58,405 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:58,405 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration6_Loop [2025-01-10 07:02:58,405 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:58,405 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:58,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,472 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:58,472 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:58,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,475 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) [2025-01-10 07:02:58,478 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 [2025-01-10 07:02:58,479 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 [2025-01-10 07:02:58,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:58,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:58,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:58,493 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:02:58,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:58,496 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:58,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:58,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:58,505 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 [2025-01-10 07:02:58,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,507 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) [2025-01-10 07:02:58,508 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 [2025-01-10 07:02:58,509 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 [2025-01-10 07:02:58,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:58,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:58,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:58,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:58,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:58,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:58,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:58,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-01-10 07:02:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,538 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) [2025-01-10 07:02:58,539 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 [2025-01-10 07:02:58,540 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 [2025-01-10 07:02:58,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:58,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:58,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:58,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:58,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:58,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:58,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:58,567 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 [2025-01-10 07:02:58,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,571 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) [2025-01-10 07:02:58,573 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 [2025-01-10 07:02:58,574 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 [2025-01-10 07:02:58,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:58,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:58,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:58,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:58,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:58,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:58,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:58,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:58,595 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:58,595 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:58,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,598 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) [2025-01-10 07:02:58,602 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 [2025-01-10 07:02:58,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:58,603 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:58,603 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:58,603 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:02:58,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-01-10 07:02:58,611 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:58,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:58,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:58,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:58,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:58,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:58,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:58,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:58,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:58,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:58,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:58,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:58,662 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 [2025-01-10 07:02:58,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 59 transitions. cyclomatic complexity: 25 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-01-10 07:02:58,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 59 transitions. cyclomatic complexity: 25. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 101 states and 155 transitions. Complement of second has 7 states. [2025-01-10 07:02:58,694 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 [2025-01-10 07:02:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-01-10 07:02:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-01-10 07:02:58,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2025-01-10 07:02:58,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2025-01-10 07:02:58,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 8 letters. [2025-01-10 07:02:58,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:58,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 155 transitions. [2025-01-10 07:02:58,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2025-01-10 07:02:58,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 81 states and 124 transitions. [2025-01-10 07:02:58,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2025-01-10 07:02:58,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2025-01-10 07:02:58,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 124 transitions. [2025-01-10 07:02:58,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:58,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 124 transitions. [2025-01-10 07:02:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 124 transitions. [2025-01-10 07:02:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2025-01-10 07:02:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 75 states have internal predecessors, (117), 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) [2025-01-10 07:02:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2025-01-10 07:02:58,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 76 states and 117 transitions. [2025-01-10 07:02:58,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:58,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 07:02:58,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 07:02:58,705 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-01-10 07:02:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:58,738 INFO L93 Difference]: Finished difference Result 114 states and 169 transitions. [2025-01-10 07:02:58,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 169 transitions. [2025-01-10 07:02:58,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2025-01-10 07:02:58,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 110 states and 163 transitions. [2025-01-10 07:02:58,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2025-01-10 07:02:58,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2025-01-10 07:02:58,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 163 transitions. [2025-01-10 07:02:58,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:58,741 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 163 transitions. [2025-01-10 07:02:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 163 transitions. [2025-01-10 07:02:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2025-01-10 07:02:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.5) internal successors, (153), 101 states have internal predecessors, (153), 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) [2025-01-10 07:02:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 153 transitions. [2025-01-10 07:02:58,752 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 153 transitions. [2025-01-10 07:02:58,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 07:02:58,754 INFO L432 stractBuchiCegarLoop]: Abstraction has 102 states and 153 transitions. [2025-01-10 07:02:58,754 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-01-10 07:02:58,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 153 transitions. [2025-01-10 07:02:58,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2025-01-10 07:02:58,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:58,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:58,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2025-01-10 07:02:58,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:58,757 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" [2025-01-10 07:02:58,757 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" [2025-01-10 07:02:58,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:58,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1923305957, now seen corresponding path program 1 times [2025-01-10 07:02:58,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:58,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472556550] [2025-01-10 07:02:58,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:58,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:58,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:02:58,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:58,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:58,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472556550] [2025-01-10 07:02:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472556550] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:58,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:58,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 07:02:58,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163315213] [2025-01-10 07:02:58,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:58,795 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:58,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1113388, now seen corresponding path program 2 times [2025-01-10 07:02:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:58,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292873668] [2025-01-10 07:02:58,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:58,798 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:58,799 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:58,799 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:58,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:58,799 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:58,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:58,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:58,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:58,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:58,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:58,836 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:58,836 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:58,836 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:58,837 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:58,837 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:58,837 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,837 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:58,837 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:58,837 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration7_Loop [2025-01-10 07:02:58,837 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:58,837 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:58,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,914 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:58,914 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,916 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) [2025-01-10 07:02:58,917 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 [2025-01-10 07:02:58,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,937 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:58,937 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=4} Honda state: {ULTIMATE.start_main_~up~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:58,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-01-10 07:02:58,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,945 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) [2025-01-10 07:02:58,947 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 [2025-01-10 07:02:58,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:58,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:58,971 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) [2025-01-10 07:02:58,972 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 [2025-01-10 07:02:58,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:58,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:58,986 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:58,993 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 [2025-01-10 07:02:58,993 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:58,993 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:58,993 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:58,993 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:58,993 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:58,993 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:58,993 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:58,993 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:58,993 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration7_Loop [2025-01-10 07:02:58,993 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:58,993 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:58,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:58,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,063 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:59,064 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,066 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) [2025-01-10 07:02:59,067 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 [2025-01-10 07:02:59,067 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 [2025-01-10 07:02:59,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:59,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:59,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:59,077 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:02:59,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:59,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:59,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:59,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:59,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-01-10 07:02:59,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,090 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) [2025-01-10 07:02:59,093 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 [2025-01-10 07:02:59,094 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 [2025-01-10 07:02:59,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:59,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:59,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:59,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:59,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:59,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:59,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:59,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-01-10 07:02:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,119 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) [2025-01-10 07:02:59,122 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 [2025-01-10 07:02:59,122 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 [2025-01-10 07:02:59,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:59,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:59,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:59,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:59,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:59,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:59,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:59,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:59,142 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:59,142 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:59,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,145 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) [2025-01-10 07:02:59,147 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 [2025-01-10 07:02:59,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:59,148 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:59,148 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:59,148 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:02:59,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:59,159 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:59,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:02:59,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:59,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:59,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:59,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,230 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 [2025-01-10 07:02:59,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 102 states and 153 transitions. cyclomatic complexity: 62 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 07:02:59,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 102 states and 153 transitions. cyclomatic complexity: 62. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 204 states and 307 transitions. Complement of second has 5 states. [2025-01-10 07:02:59,263 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 [2025-01-10 07:02:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 07:02:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2025-01-10 07:02:59,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 4 letters. [2025-01-10 07:02:59,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:59,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 14 letters. Loop has 4 letters. [2025-01-10 07:02:59,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:59,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 8 letters. [2025-01-10 07:02:59,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:59,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 307 transitions. [2025-01-10 07:02:59,269 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2025-01-10 07:02:59,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 174 states and 254 transitions. [2025-01-10 07:02:59,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2025-01-10 07:02:59,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2025-01-10 07:02:59,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 254 transitions. [2025-01-10 07:02:59,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:59,271 INFO L218 hiAutomatonCegarLoop]: Abstraction has 174 states and 254 transitions. [2025-01-10 07:02:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 254 transitions. [2025-01-10 07:02:59,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 149. [2025-01-10 07:02:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.483221476510067) internal successors, (221), 148 states have internal predecessors, (221), 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) [2025-01-10 07:02:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 221 transitions. [2025-01-10 07:02:59,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 221 transitions. [2025-01-10 07:02:59,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:59,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 07:02:59,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 07:02:59,285 INFO L87 Difference]: Start difference. First operand 149 states and 221 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 07:02:59,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:59,308 INFO L93 Difference]: Finished difference Result 167 states and 233 transitions. [2025-01-10 07:02:59,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 233 transitions. [2025-01-10 07:02:59,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2025-01-10 07:02:59,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 167 states and 233 transitions. [2025-01-10 07:02:59,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2025-01-10 07:02:59,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2025-01-10 07:02:59,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 233 transitions. [2025-01-10 07:02:59,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:59,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 233 transitions. [2025-01-10 07:02:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 233 transitions. [2025-01-10 07:02:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 149. [2025-01-10 07:02:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.4026845637583893) internal successors, (209), 148 states have internal predecessors, (209), 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) [2025-01-10 07:02:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 209 transitions. [2025-01-10 07:02:59,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 209 transitions. [2025-01-10 07:02:59,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 07:02:59,326 INFO L432 stractBuchiCegarLoop]: Abstraction has 149 states and 209 transitions. [2025-01-10 07:02:59,327 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-01-10 07:02:59,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 209 transitions. [2025-01-10 07:02:59,328 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2025-01-10 07:02:59,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:59,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:59,329 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1] [2025-01-10 07:02:59,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2025-01-10 07:02:59,330 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:59,330 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:02:59,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,331 INFO L85 PathProgramCache]: Analyzing trace with hash 406765380, now seen corresponding path program 1 times [2025-01-10 07:02:59,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:59,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723305847] [2025-01-10 07:02:59,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:59,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:59,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:02:59,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:02:59,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 07:02:59,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:59,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723305847] [2025-01-10 07:02:59,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723305847] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:59,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:59,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:02:59,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551579992] [2025-01-10 07:02:59,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:59,353 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:59,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1740205269, now seen corresponding path program 1 times [2025-01-10 07:02:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:59,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005950954] [2025-01-10 07:02:59,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:59,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:59,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:59,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:59,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005950954] [2025-01-10 07:02:59,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005950954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:59,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:59,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 07:02:59,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500843686] [2025-01-10 07:02:59,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:59,368 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:02:59,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:59,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:02:59,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:02:59,369 INFO L87 Difference]: Start difference. First operand 149 states and 209 transitions. cyclomatic complexity: 76 Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-01-10 07:02:59,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:59,381 INFO L93 Difference]: Finished difference Result 162 states and 217 transitions. [2025-01-10 07:02:59,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 217 transitions. [2025-01-10 07:02:59,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2025-01-10 07:02:59,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 157 states and 212 transitions. [2025-01-10 07:02:59,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2025-01-10 07:02:59,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2025-01-10 07:02:59,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 212 transitions. [2025-01-10 07:02:59,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:59,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 212 transitions. [2025-01-10 07:02:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 212 transitions. [2025-01-10 07:02:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2025-01-10 07:02:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.3858267716535433) internal successors, (176), 126 states have internal predecessors, (176), 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) [2025-01-10 07:02:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 176 transitions. [2025-01-10 07:02:59,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 176 transitions. [2025-01-10 07:02:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:02:59,397 INFO L432 stractBuchiCegarLoop]: Abstraction has 127 states and 176 transitions. [2025-01-10 07:02:59,397 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-01-10 07:02:59,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 176 transitions. [2025-01-10 07:02:59,398 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2025-01-10 07:02:59,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:59,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:59,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 07:02:59,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:02:59,399 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" [2025-01-10 07:02:59,399 INFO L754 eck$LassoCheckResult]: Loop: "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" [2025-01-10 07:02:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2080351051, now seen corresponding path program 1 times [2025-01-10 07:02:59,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:59,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776647786] [2025-01-10 07:02:59,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:59,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:02:59,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:02:59,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776647786] [2025-01-10 07:02:59,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776647786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:02:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474181494] [2025-01-10 07:02:59,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:59,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:02:59,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,440 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:02:59,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 07:02:59,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:02:59,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:02:59,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:02:59,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-01-10 07:02:59,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474181494] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:02:59,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:02:59,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-01-10 07:02:59,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028887860] [2025-01-10 07:02:59,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:02:59,506 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:59,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1614838, now seen corresponding path program 3 times [2025-01-10 07:02:59,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644645253] [2025-01-10 07:02:59,506 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:02:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:59,509 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:59,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:59,510 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:02:59,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:59,510 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:59,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:59,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:59,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:59,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:59,546 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:59,546 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:59,546 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:59,546 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:59,546 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:59,546 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,546 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:59,546 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:59,546 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration9_Loop [2025-01-10 07:02:59,547 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:59,547 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:59,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,607 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:59,607 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:59,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,609 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) [2025-01-10 07:02:59,610 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 [2025-01-10 07:02:59,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:59,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:59,631 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:59,631 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=4} Honda state: {ULTIMATE.start_main_~up~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:59,637 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 [2025-01-10 07:02:59,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,638 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) [2025-01-10 07:02:59,641 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 [2025-01-10 07:02:59,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:59,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:59,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:59,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,660 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) [2025-01-10 07:02:59,661 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 [2025-01-10 07:02:59,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:59,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:59,725 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:59,729 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 [2025-01-10 07:02:59,729 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:59,730 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:59,730 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:59,730 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:59,730 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:59,730 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,730 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:59,730 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:59,730 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration9_Loop [2025-01-10 07:02:59,730 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:59,730 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:59,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:59,805 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:59,806 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:59,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,809 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) [2025-01-10 07:02:59,811 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 [2025-01-10 07:02:59,811 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 [2025-01-10 07:02:59,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:59,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:59,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:59,821 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:02:59,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:59,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:59,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:59,823 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:59,829 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 [2025-01-10 07:02:59,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,831 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2025-01-10 07:02:59,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-01-10 07:02:59,833 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 [2025-01-10 07:02:59,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:59,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:59,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:59,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:59,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:59,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:59,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:59,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:59,847 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:59,848 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:59,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:59,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:59,849 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2025-01-10 07:02:59,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-01-10 07:02:59,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:59,851 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:59,851 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:59,851 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:02:59,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-01-10 07:02:59,857 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:59,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:02:59,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:02:59,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:59,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:59,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:59,914 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 [2025-01-10 07:02:59,915 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 176 transitions. cyclomatic complexity: 63 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:02:59,941 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 176 transitions. cyclomatic complexity: 63. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 190 states and 256 transitions. Complement of second has 7 states. [2025-01-10 07:02:59,941 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 [2025-01-10 07:02:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:02:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-01-10 07:02:59,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 4 letters. [2025-01-10 07:02:59,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:59,942 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:02:59,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:59,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:02:59,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:02:59,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:59,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:59,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:59,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:59,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:59,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:59,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:03:00,018 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2025-01-10 07:03:00,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 176 transitions. cyclomatic complexity: 63 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:00,059 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 176 transitions. cyclomatic complexity: 63. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 246 states and 325 transitions. Complement of second has 9 states. [2025-01-10 07:03:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-01-10 07:03:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2025-01-10 07:03:00,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2025-01-10 07:03:00,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:00,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 17 letters. Loop has 4 letters. [2025-01-10 07:03:00,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:00,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 8 letters. [2025-01-10 07:03:00,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:00,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 325 transitions. [2025-01-10 07:03:00,068 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 51 [2025-01-10 07:03:00,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 236 states and 314 transitions. [2025-01-10 07:03:00,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2025-01-10 07:03:00,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2025-01-10 07:03:00,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 236 states and 314 transitions. [2025-01-10 07:03:00,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:00,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 236 states and 314 transitions. [2025-01-10 07:03:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states and 314 transitions. [2025-01-10 07:03:00,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2025-01-10 07:03:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 204 states have internal predecessors, (278), 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) [2025-01-10 07:03:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 278 transitions. [2025-01-10 07:03:00,076 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 278 transitions. [2025-01-10 07:03:00,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:03:00,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:03:00,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:03:00,077 INFO L87 Difference]: Start difference. First operand 205 states and 278 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2025-01-10 07:03:00,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:03:00,116 INFO L93 Difference]: Finished difference Result 290 states and 376 transitions. [2025-01-10 07:03:00,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 376 transitions. [2025-01-10 07:03:00,118 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 64 [2025-01-10 07:03:00,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 263 states and 346 transitions. [2025-01-10 07:03:00,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2025-01-10 07:03:00,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2025-01-10 07:03:00,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 346 transitions. [2025-01-10 07:03:00,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:00,120 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 346 transitions. [2025-01-10 07:03:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 346 transitions. [2025-01-10 07:03:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 246. [2025-01-10 07:03:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.3170731707317074) internal successors, (324), 245 states have internal predecessors, (324), 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) [2025-01-10 07:03:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 324 transitions. [2025-01-10 07:03:00,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 246 states and 324 transitions. [2025-01-10 07:03:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 07:03:00,127 INFO L432 stractBuchiCegarLoop]: Abstraction has 246 states and 324 transitions. [2025-01-10 07:03:00,127 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-01-10 07:03:00,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 324 transitions. [2025-01-10 07:03:00,129 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 63 [2025-01-10 07:03:00,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:03:00,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:03:00,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1] [2025-01-10 07:03:00,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2025-01-10 07:03:00,130 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:03:00,130 INFO L754 eck$LassoCheckResult]: Loop: "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" [2025-01-10 07:03:00,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:00,130 INFO L85 PathProgramCache]: Analyzing trace with hash 406765380, now seen corresponding path program 2 times [2025-01-10 07:03:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:00,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250291620] [2025-01-10 07:03:00,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:03:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:00,133 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-01-10 07:03:00,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:03:00,136 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:03:00,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 07:03:00,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250291620] [2025-01-10 07:03:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250291620] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:03:00,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:03:00,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:03:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569186357] [2025-01-10 07:03:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:03:00,154 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:03:00,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1740205207, now seen corresponding path program 1 times [2025-01-10 07:03:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934012272] [2025-01-10 07:03:00,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:03:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:00,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:03:00,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:03:00,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:00,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:00,158 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:00,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:03:00,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:03:00,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:00,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:00,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:03:00,204 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:03:00,204 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:03:00,204 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:03:00,204 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:03:00,204 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:03:00,204 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,204 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:03:00,204 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:03:00,204 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration10_Loop [2025-01-10 07:03:00,204 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:03:00,204 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:03:00,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,268 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:03:00,268 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:03:00,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,270 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) [2025-01-10 07:03:00,271 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 [2025-01-10 07:03:00,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:00,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:00,289 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:03:00,289 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:03:00,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-01-10 07:03:00,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,296 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) [2025-01-10 07:03:00,297 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 [2025-01-10 07:03:00,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:00,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:00,315 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:03:00,315 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_13=0} Honda state: {v_rep~unnamed0~0~false_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:03:00,321 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 [2025-01-10 07:03:00,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,323 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) [2025-01-10 07:03:00,324 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 [2025-01-10 07:03:00,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:00,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:00,335 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:03:00,335 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:03:00,341 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 [2025-01-10 07:03:00,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,343 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) [2025-01-10 07:03:00,344 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 [2025-01-10 07:03:00,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:00,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:00,367 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 [2025-01-10 07:03:00,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,369 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) [2025-01-10 07:03:00,370 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 [2025-01-10 07:03:00,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:03:00,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:00,404 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:03:00,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:00,409 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:03:00,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:03:00,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:03:00,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:03:00,409 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:03:00,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:03:00,409 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:03:00,409 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration10_Loop [2025-01-10 07:03:00,410 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:03:00,410 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:03:00,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:00,470 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:03:00,472 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:03:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,474 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) [2025-01-10 07:03:00,476 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 [2025-01-10 07:03:00,477 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 [2025-01-10 07:03:00,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:00,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:00,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:03:00,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,504 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 [2025-01-10 07:03:00,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,507 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) [2025-01-10 07:03:00,509 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 [2025-01-10 07:03:00,510 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 [2025-01-10 07:03:00,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:00,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:00,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:03:00,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-01-10 07:03:00,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,538 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) [2025-01-10 07:03:00,540 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 [2025-01-10 07:03:00,542 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 [2025-01-10 07:03:00,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:00,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:03:00,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,568 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 [2025-01-10 07:03:00,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,571 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) [2025-01-10 07:03:00,573 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 [2025-01-10 07:03:00,573 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 [2025-01-10 07:03:00,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,586 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:00,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:00,588 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:03:00,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,591 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2025-01-10 07:03:00,597 INFO L451 LassoAnalysis]: Using template '2-nested'. [2025-01-10 07:03:00,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,599 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) [2025-01-10 07:03:00,600 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 [2025-01-10 07:03:00,601 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 [2025-01-10 07:03:00,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,613 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:03:00,613 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:03:00,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-01-10 07:03:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,624 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) [2025-01-10 07:03:00,625 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 [2025-01-10 07:03:00,626 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 [2025-01-10 07:03:00,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,636 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,638 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:03:00,638 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:03:00,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-01-10 07:03:00,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,648 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) [2025-01-10 07:03:00,649 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 [2025-01-10 07:03:00,650 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 [2025-01-10 07:03:00,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,660 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,661 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-01-10 07:03:00,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,668 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 [2025-01-10 07:03:00,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,670 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) [2025-01-10 07:03:00,671 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 [2025-01-10 07:03:00,672 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 [2025-01-10 07:03:00,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,682 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:00,682 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:00,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,685 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,691 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 [2025-01-10 07:03:00,691 INFO L451 LassoAnalysis]: Using template '3-nested'. [2025-01-10 07:03:00,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,693 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) [2025-01-10 07:03:00,695 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 [2025-01-10 07:03:00,695 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 [2025-01-10 07:03:00,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,706 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:00,708 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:00,708 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:00,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,717 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 [2025-01-10 07:03:00,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,719 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) [2025-01-10 07:03:00,720 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 [2025-01-10 07:03:00,721 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 [2025-01-10 07:03:00,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:00,733 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:00,733 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:00,739 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-01-10 07:03:00,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,749 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) [2025-01-10 07:03:00,750 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 [2025-01-10 07:03:00,751 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 [2025-01-10 07:03:00,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,762 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:00,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:03:00,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,765 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,770 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 [2025-01-10 07:03:00,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,772 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) [2025-01-10 07:03:00,773 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 [2025-01-10 07:03:00,774 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 [2025-01-10 07:03:00,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,784 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:00,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:00,786 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-01-10 07:03:00,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,789 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,795 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 [2025-01-10 07:03:00,795 INFO L451 LassoAnalysis]: Using template '4-nested'. [2025-01-10 07:03:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,797 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) [2025-01-10 07:03:00,797 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 [2025-01-10 07:03:00,798 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 [2025-01-10 07:03:00,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,809 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:00,811 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:03:00,811 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:03:00,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,821 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 [2025-01-10 07:03:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,823 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) [2025-01-10 07:03:00,824 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 [2025-01-10 07:03:00,826 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 [2025-01-10 07:03:00,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,836 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:00,839 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:03:00,839 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:03:00,845 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,853 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 [2025-01-10 07:03:00,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,855 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2025-01-10 07:03:00,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-01-10 07:03:00,857 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 [2025-01-10 07:03:00,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:00,868 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-01-10 07:03:00,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,872 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-01-10 07:03:00,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,880 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2025-01-10 07:03:00,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-01-10 07:03:00,882 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 [2025-01-10 07:03:00,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:00,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,892 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:00,892 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:00,894 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2025-01-10 07:03:00,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-01-10 07:03:00,904 INFO L451 LassoAnalysis]: Using template '2-phase'. [2025-01-10 07:03:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,906 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2025-01-10 07:03:00,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-01-10 07:03:00,918 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 [2025-01-10 07:03:00,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-01-10 07:03:00,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:00,929 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:00,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,931 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:03:00,931 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:03:00,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2025-01-10 07:03:00,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,946 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2025-01-10 07:03:00,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-01-10 07:03:00,949 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 [2025-01-10 07:03:00,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:00,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:00,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,962 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,963 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:03:00,963 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:03:00,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-01-10 07:03:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,975 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2025-01-10 07:03:00,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-01-10 07:03:00,976 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 [2025-01-10 07:03:00,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:00,986 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:00,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:00,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:00,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:00,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:00,987 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-01-10 07:03:00,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:00,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:00,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:00,999 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2025-01-10 07:03:01,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-01-10 07:03:01,001 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 [2025-01-10 07:03:01,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,011 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:01,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,011 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:01,011 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:03:01,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:01,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-01-10 07:03:01,023 INFO L451 LassoAnalysis]: Using template '3-phase'. [2025-01-10 07:03:01,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,025 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2025-01-10 07:03:01,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-01-10 07:03:01,026 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 [2025-01-10 07:03:01,037 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,037 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:03:01,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,037 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,039 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:01,039 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:01,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2025-01-10 07:03:01,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,057 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2025-01-10 07:03:01,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-01-10 07:03:01,060 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 [2025-01-10 07:03:01,073 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,073 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:03:01,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,073 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,075 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:01,076 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:01,082 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-01-10 07:03:01,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,092 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2025-01-10 07:03:01,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-01-10 07:03:01,095 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 [2025-01-10 07:03:01,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,108 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:03:01,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:03:01,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:01,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,126 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2025-01-10 07:03:01,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-01-10 07:03:01,129 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 [2025-01-10 07:03:01,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,139 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:03:01,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,139 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:01,139 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,141 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-01-10 07:03:01,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2025-01-10 07:03:01,158 INFO L451 LassoAnalysis]: Using template '4-phase'. [2025-01-10 07:03:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,161 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2025-01-10 07:03:01,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-01-10 07:03:01,163 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 [2025-01-10 07:03:01,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,177 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,177 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:01,182 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:03:01,182 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:03:01,192 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2025-01-10 07:03:01,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,203 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2025-01-10 07:03:01,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-01-10 07:03:01,205 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 [2025-01-10 07:03:01,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,218 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,218 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:01,221 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:03:01,221 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:03:01,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,236 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2025-01-10 07:03:01,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-01-10 07:03:01,238 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 [2025-01-10 07:03:01,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,249 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,249 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:01,251 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-01-10 07:03:01,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,258 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2025-01-10 07:03:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,266 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2025-01-10 07:03:01,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-01-10 07:03:01,268 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 [2025-01-10 07:03:01,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,278 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,279 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:01,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:03:01,281 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2025-01-10 07:03:01,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2025-01-10 07:03:01,296 INFO L451 LassoAnalysis]: Using template '2-lex'. [2025-01-10 07:03:01,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,298 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2025-01-10 07:03:01,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-01-10 07:03:01,299 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 [2025-01-10 07:03:01,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,309 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:01,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,310 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,312 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:01,312 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:01,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2025-01-10 07:03:01,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,330 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2025-01-10 07:03:01,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-01-10 07:03:01,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:03:01,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,342 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:01,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,344 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:01,344 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:03:01,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2025-01-10 07:03:01,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,356 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2025-01-10 07:03:01,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-01-10 07:03:01,358 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 [2025-01-10 07:03:01,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,368 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:01,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:03:01,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,372 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2025-01-10 07:03:01,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,379 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2025-01-10 07:03:01,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2025-01-10 07:03:01,381 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 [2025-01-10 07:03:01,391 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,391 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:03:01,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,391 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:01,391 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:03:01,393 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-01-10 07:03:01,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:01,403 INFO L451 LassoAnalysis]: Using template '3-lex'. [2025-01-10 07:03:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,406 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2025-01-10 07:03:01,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-01-10 07:03:01,407 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 [2025-01-10 07:03:01,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,418 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:03:01,421 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2025-01-10 07:03:01,421 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2025-01-10 07:03:01,427 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-01-10 07:03:01,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,435 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2025-01-10 07:03:01,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-01-10 07:03:01,437 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 [2025-01-10 07:03:01,447 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,447 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,448 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:03:01,450 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2025-01-10 07:03:01,450 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2025-01-10 07:03:01,458 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-01-10 07:03:01,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,468 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2025-01-10 07:03:01,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-01-10 07:03:01,471 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 [2025-01-10 07:03:01,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,485 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:01,485 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:03:01,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:01,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-01-10 07:03:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,503 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2025-01-10 07:03:01,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-01-10 07:03:01,506 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 [2025-01-10 07:03:01,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:03:01,519 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:03:01,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:01,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:01,519 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:03:01,519 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:03:01,521 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:03:01,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:01,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:01,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-01-10 07:03:01,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:03:01,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:03:01,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:03:01,541 INFO L87 Difference]: Start difference. First operand 246 states and 324 transitions. cyclomatic complexity: 101 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-01-10 07:03:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:03:01,548 INFO L93 Difference]: Finished difference Result 163 states and 188 transitions. [2025-01-10 07:03:01,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 188 transitions. [2025-01-10 07:03:01,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2025-01-10 07:03:01,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 123 states and 148 transitions. [2025-01-10 07:03:01,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2025-01-10 07:03:01,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2025-01-10 07:03:01,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 148 transitions. [2025-01-10 07:03:01,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:01,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 123 states and 148 transitions. [2025-01-10 07:03:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 148 transitions. [2025-01-10 07:03:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2025-01-10 07:03:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.2123893805309736) internal successors, (137), 112 states have internal predecessors, (137), 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) [2025-01-10 07:03:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 137 transitions. [2025-01-10 07:03:01,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 137 transitions. [2025-01-10 07:03:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:03:01,554 INFO L432 stractBuchiCegarLoop]: Abstraction has 113 states and 137 transitions. [2025-01-10 07:03:01,554 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-01-10 07:03:01,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 137 transitions. [2025-01-10 07:03:01,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2025-01-10 07:03:01,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:03:01,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:03:01,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 5, 5, 4, 2, 2, 1, 1, 1] [2025-01-10 07:03:01,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-01-10 07:03:01,555 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:01,555 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:01,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:01,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1610028036, now seen corresponding path program 2 times [2025-01-10 07:03:01,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:01,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381949132] [2025-01-10 07:03:01,556 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:03:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:01,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-01-10 07:03:01,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:03:01,567 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:03:01,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:01,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:01,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381949132] [2025-01-10 07:03:01,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381949132] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:03:01,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78991669] [2025-01-10 07:03:01,656 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:03:01,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:03:01,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,658 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:03:01,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2025-01-10 07:03:01,676 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-01-10 07:03:01,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:03:01,684 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:03:01,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:01,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 07:03:01,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:01,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:03:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:01,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78991669] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:03:01,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:03:01,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2025-01-10 07:03:01,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822550223] [2025-01-10 07:03:01,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:03:01,785 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:03:01,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:01,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1452266, now seen corresponding path program 3 times [2025-01-10 07:03:01,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:01,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460728276] [2025-01-10 07:03:01,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:03:01,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:01,787 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:03:01,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:03:01,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:03:01,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:01,788 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:01,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:03:01,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:03:01,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:01,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:01,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:03:01,818 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:03:01,818 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:03:01,818 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:03:01,818 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:03:01,818 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:03:01,818 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,819 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:03:01,819 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:03:01,819 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration11_Loop [2025-01-10 07:03:01,819 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:03:01,819 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:03:01,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,888 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:03:01,888 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:03:01,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,890 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2025-01-10 07:03:01,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-01-10 07:03:01,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:01,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:01,909 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:03:01,909 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:03:01,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-01-10 07:03:01,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,917 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2025-01-10 07:03:01,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-01-10 07:03:01,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:03:01,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:01,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2025-01-10 07:03:01,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:01,937 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2025-01-10 07:03:01,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-01-10 07:03:01,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:03:01,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:03:01,950 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:03:01,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:01,957 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:03:01,957 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:03:01,957 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:03:01,957 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:03:01,957 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:03:01,957 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:01,957 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:03:01,957 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:03:01,957 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDown.c_Iteration11_Loop [2025-01-10 07:03:01,957 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:03:01,957 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:03:01,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:01,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:03:02,019 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:03:02,020 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:03:02,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:02,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,022 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2025-01-10 07:03:02,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-01-10 07:03:02,024 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 [2025-01-10 07:03:02,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:02,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:02,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:02,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:02,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:03:02,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:03:02,037 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:03:02,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2025-01-10 07:03:02,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:02,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,047 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2025-01-10 07:03:02,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2025-01-10 07:03:02,049 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 [2025-01-10 07:03:02,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:03:02,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:03:02,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:03:02,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:03:02,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:03:02,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:03:02,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:03:02,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:03:02,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:03:02,067 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:03:02,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:03:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,071 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2025-01-10 07:03:02,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2025-01-10 07:03:02,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:03:02,073 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:03:02,073 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:03:02,073 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-01-10 07:03:02,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2025-01-10 07:03:02,081 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:03:02,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 07:03:02,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:03:02,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:03:02,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:03:02,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:03:02,171 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 [2025-01-10 07:03:02,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,196 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 164 states and 200 transitions. Complement of second has 7 states. [2025-01-10 07:03:02,197 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 [2025-01-10 07:03:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2025-01-10 07:03:02,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 28 letters. Loop has 4 letters. [2025-01-10 07:03:02,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:02,198 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:03:02,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 07:03:02,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:03:02,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:03:02,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:03:02,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:03:02,273 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2025-01-10 07:03:02,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 186 states and 218 transitions. Complement of second has 7 states. [2025-01-10 07:03:02,303 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 [2025-01-10 07:03:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2025-01-10 07:03:02,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 28 letters. Loop has 4 letters. [2025-01-10 07:03:02,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:02,304 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:03:02,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 07:03:02,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:03:02,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:03:02,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:03:02,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:03:02,376 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-01-10 07:03:02,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,401 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 137 transitions. cyclomatic complexity: 33. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 178 states and 220 transitions. Complement of second has 8 states. [2025-01-10 07:03:02,403 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 [2025-01-10 07:03:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 07:03:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2025-01-10 07:03:02,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 28 letters. Loop has 4 letters. [2025-01-10 07:03:02,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:02,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 32 letters. Loop has 4 letters. [2025-01-10 07:03:02,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:02,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 28 letters. Loop has 8 letters. [2025-01-10 07:03:02,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:03:02,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 220 transitions. [2025-01-10 07:03:02,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2025-01-10 07:03:02,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 120 states and 145 transitions. [2025-01-10 07:03:02,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2025-01-10 07:03:02,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2025-01-10 07:03:02,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 145 transitions. [2025-01-10 07:03:02,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:02,408 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 145 transitions. [2025-01-10 07:03:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 145 transitions. [2025-01-10 07:03:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 82. [2025-01-10 07:03:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 81 states have internal predecessors, (99), 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) [2025-01-10 07:03:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 99 transitions. [2025-01-10 07:03:02,410 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 99 transitions. [2025-01-10 07:03:02,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:03:02,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 07:03:02,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 07:03:02,411 INFO L87 Difference]: Start difference. First operand 82 states and 99 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 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) [2025-01-10 07:03:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:03:02,485 INFO L93 Difference]: Finished difference Result 228 states and 274 transitions. [2025-01-10 07:03:02,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 274 transitions. [2025-01-10 07:03:02,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2025-01-10 07:03:02,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 198 states and 238 transitions. [2025-01-10 07:03:02,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2025-01-10 07:03:02,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-01-10 07:03:02,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 238 transitions. [2025-01-10 07:03:02,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:02,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 238 transitions. [2025-01-10 07:03:02,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 238 transitions. [2025-01-10 07:03:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 154. [2025-01-10 07:03:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.1883116883116882) internal successors, (183), 153 states have internal predecessors, (183), 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) [2025-01-10 07:03:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2025-01-10 07:03:02,492 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 183 transitions. [2025-01-10 07:03:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 07:03:02,493 INFO L432 stractBuchiCegarLoop]: Abstraction has 154 states and 183 transitions. [2025-01-10 07:03:02,493 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-01-10 07:03:02,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 183 transitions. [2025-01-10 07:03:02,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2025-01-10 07:03:02,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:03:02,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:03:02,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 07:03:02,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [12, 11, 11, 10, 2, 1, 1] [2025-01-10 07:03:02,495 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:02,495 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:02,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,495 INFO L85 PathProgramCache]: Analyzing trace with hash 53135301, now seen corresponding path program 3 times [2025-01-10 07:03:02,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:02,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098093403] [2025-01-10 07:03:02,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:03:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:02,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 4 equivalence classes. [2025-01-10 07:03:02,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 12 of 16 statements. [2025-01-10 07:03:02,500 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 07:03:02,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:02,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098093403] [2025-01-10 07:03:02,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098093403] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:03:02,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893068041] [2025-01-10 07:03:02,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:03:02,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:03:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,528 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:03:02,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2025-01-10 07:03:02,549 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 4 equivalence classes. [2025-01-10 07:03:02,552 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 12 of 16 statements. [2025-01-10 07:03:02,553 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 07:03:02,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:02,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:03:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:02,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893068041] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:03:02,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:03:02,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 07:03:02,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121076967] [2025-01-10 07:03:02,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:03:02,598 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:03:02,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1886136255, now seen corresponding path program 1 times [2025-01-10 07:03:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064323900] [2025-01-10 07:03:02,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:03:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:02,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 07:03:02,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:02,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:02,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:02,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064323900] [2025-01-10 07:03:02,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064323900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:03:02,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757234131] [2025-01-10 07:03:02,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:03:02,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:03:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,651 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:03:02,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2025-01-10 07:03:02,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 07:03:02,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:02,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:02,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:02,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:03:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757234131] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:03:02,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:03:02,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 07:03:02,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360714257] [2025-01-10 07:03:02,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:03:02,738 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:03:02,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:03:02,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 07:03:02,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-10 07:03:02,738 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. cyclomatic complexity: 35 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 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) [2025-01-10 07:03:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:03:02,780 INFO L93 Difference]: Finished difference Result 218 states and 247 transitions. [2025-01-10 07:03:02,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 247 transitions. [2025-01-10 07:03:02,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2025-01-10 07:03:02,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 210 states and 239 transitions. [2025-01-10 07:03:02,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2025-01-10 07:03:02,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2025-01-10 07:03:02,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 239 transitions. [2025-01-10 07:03:02,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:02,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 239 transitions. [2025-01-10 07:03:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 239 transitions. [2025-01-10 07:03:02,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202. [2025-01-10 07:03:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 202 states have (on average 1.1435643564356435) internal successors, (231), 201 states have internal predecessors, (231), 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) [2025-01-10 07:03:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 231 transitions. [2025-01-10 07:03:02,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 202 states and 231 transitions. [2025-01-10 07:03:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 07:03:02,789 INFO L432 stractBuchiCegarLoop]: Abstraction has 202 states and 231 transitions. [2025-01-10 07:03:02,789 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-01-10 07:03:02,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 231 transitions. [2025-01-10 07:03:02,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2025-01-10 07:03:02,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:03:02,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:03:02,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 6, 6, 1, 1, 1, 1, 1] [2025-01-10 07:03:02,792 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [16, 15, 15, 10, 6, 1, 1] [2025-01-10 07:03:02,794 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:02,794 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:02,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 758830697, now seen corresponding path program 4 times [2025-01-10 07:03:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:02,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735190931] [2025-01-10 07:03:02,795 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:03:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:02,799 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 32 statements into 2 equivalence classes. [2025-01-10 07:03:02,804 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 07:03:02,804 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 07:03:02,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 40 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:02,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735190931] [2025-01-10 07:03:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735190931] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:03:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617916857] [2025-01-10 07:03:02,884 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:03:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:03:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:02,886 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:03:02,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2025-01-10 07:03:02,903 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 32 statements into 2 equivalence classes. [2025-01-10 07:03:02,909 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 07:03:02,909 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 07:03:02,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:02,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 07:03:02,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 40 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:02,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:03:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 40 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 07:03:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617916857] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:03:03,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:03:03,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 11 [2025-01-10 07:03:03,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230984181] [2025-01-10 07:03:03,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:03:03,046 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:03:03,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:03,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2009820901, now seen corresponding path program 2 times [2025-01-10 07:03:03,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:03,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889921514] [2025-01-10 07:03:03,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:03:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:03,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-10 07:03:03,056 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 07:03:03,057 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:03:03,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 235 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:03,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:03:03,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889921514] [2025-01-10 07:03:03,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889921514] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:03:03,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618906182] [2025-01-10 07:03:03,190 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:03:03,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:03:03,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:03:03,194 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:03:03,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2025-01-10 07:03:03,214 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-10 07:03:03,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 07:03:03,227 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:03:03,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:03:03,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 07:03:03,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:03:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 235 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:03,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:03:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 235 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 07:03:03,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618906182] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:03:03,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:03:03,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 11 [2025-01-10 07:03:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864784557] [2025-01-10 07:03:03,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:03:03,351 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:03:03,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:03:03,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 07:03:03,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 07:03:03,352 INFO L87 Difference]: Start difference. First operand 202 states and 231 transitions. cyclomatic complexity: 35 Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 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) [2025-01-10 07:03:03,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:03:03,410 INFO L93 Difference]: Finished difference Result 266 states and 295 transitions. [2025-01-10 07:03:03,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 266 states and 295 transitions. [2025-01-10 07:03:03,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 83 [2025-01-10 07:03:03,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 266 states to 258 states and 287 transitions. [2025-01-10 07:03:03,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2025-01-10 07:03:03,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2025-01-10 07:03:03,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 287 transitions. [2025-01-10 07:03:03,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:03:03,414 INFO L218 hiAutomatonCegarLoop]: Abstraction has 258 states and 287 transitions. [2025-01-10 07:03:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 287 transitions. [2025-01-10 07:03:03,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 250. [2025-01-10 07:03:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 250 states have (on average 1.116) internal successors, (279), 249 states have internal predecessors, (279), 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) [2025-01-10 07:03:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 279 transitions. [2025-01-10 07:03:03,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 250 states and 279 transitions. [2025-01-10 07:03:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 07:03:03,418 INFO L432 stractBuchiCegarLoop]: Abstraction has 250 states and 279 transitions. [2025-01-10 07:03:03,418 INFO L338 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2025-01-10 07:03:03,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 250 states and 279 transitions. [2025-01-10 07:03:03,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2025-01-10 07:03:03,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:03:03,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:03:03,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 10, 10, 1, 1, 1, 1, 1] [2025-01-10 07:03:03,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [20, 19, 19, 10, 10, 1, 1] [2025-01-10 07:03:03,420 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:03,420 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume !(1 == main_~up~0#1);main_~i~0#1 := main_~i~0#1 - 1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume 0 == main_~i~0#1;main_~up~0#1 := 1;" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume !(10 == main_~i~0#1);" "assume !(0 == main_~i~0#1);" "assume 1 == main_~up~0#1;main_~i~0#1 := 1 + main_~i~0#1;" "assume 0 <= main_~i~0#1 && main_~i~0#1 <= 10;" "assume 10 == main_~i~0#1;main_~up~0#1 := 0;" [2025-01-10 07:03:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash 776019213, now seen corresponding path program 5 times [2025-01-10 07:03:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:03,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163616104] [2025-01-10 07:03:03,421 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 07:03:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:03,428 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 48 statements into 12 equivalence classes. [2025-01-10 07:03:03,435 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:03,435 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-01-10 07:03:03,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,435 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:03,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 07:03:03,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:03,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:03,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:03:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1189690761, now seen corresponding path program 3 times [2025-01-10 07:03:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329584060] [2025-01-10 07:03:03,446 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:03:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:03,450 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 80 statements into 20 equivalence classes. [2025-01-10 07:03:03,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 07:03:03,463 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-01-10 07:03:03,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,463 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:03,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 07:03:03,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 07:03:03,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:03,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:03:03,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:03:03,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1885838699, now seen corresponding path program 6 times [2025-01-10 07:03:03,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:03:03,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008873610] [2025-01-10 07:03:03,473 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 07:03:03,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:03:03,481 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 128 statements into 32 equivalence classes. [2025-01-10 07:03:03,510 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 07:03:03,511 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-01-10 07:03:03,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,511 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:03,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 07:03:03,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 07:03:03,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:03,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:03,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:03:04,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 07:03:04,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:04,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:04,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:04,187 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:03:04,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 07:03:04,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 07:03:04,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:03:04,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:03:04,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:03:04 BoogieIcfgContainer [2025-01-10 07:03:04,253 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:03:04,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:03:04,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:03:04,254 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:03:04,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:55" (3/4) ... [2025-01-10 07:03:04,256 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:03:04,299 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:03:04,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:03:04,300 INFO L158 Benchmark]: Toolchain (without parser) took 8891.79ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 69.2MB in the end (delta: 36.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2025-01-10 07:03:04,300 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:03:04,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.36ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 95.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:03:04,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.59ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:03:04,301 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:03:04,301 INFO L158 Benchmark]: RCFGBuilder took 190.09ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 84.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:03:04,301 INFO L158 Benchmark]: BuchiAutomizer took 8423.60ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 74.8MB in the end (delta: 9.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2025-01-10 07:03:04,301 INFO L158 Benchmark]: Witness Printer took 46.07ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 69.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:03:04,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.36ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 95.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.59ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.09ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 84.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8423.60ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 74.8MB in the end (delta: 9.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 46.07ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 69.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 17 terminating modules (10 trivial, 6 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 5 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One deterministic module has affine ranking function i and consists of 5 locations. One nondeterministic module has affine ranking function i and consists of 4 locations. 10 modules have a trivial ranking function, the largest among these consists of 12 locations. The remainder module has 250 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 14 iterations. TraceHistogramMax:20. Analysis of lassos took 6.5s. Construction of modules took 0.3s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 250 StatesRemovedByMinimization, 15 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 [5, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 160 mSDtfsCounter, 449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT3 conc0 concLT0 SILN0 SILU1 SILI3 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax169 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf94 smp82 dnf121 smp96 tf110 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 15]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=1, up=0] [L12] COND FALSE !(i == 10) VAL [i=1, up=0] [L15] COND FALSE !(i == 0) VAL [i=1, up=0] [L18] COND FALSE !(up == 1) [L21] i = i-1 VAL [i=0, up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=0, up=0] [L12] COND FALSE !(i == 10) VAL [i=0, up=0] [L15] COND TRUE i == 0 [L16] up = 1 VAL [i=0, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=1, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=1, up=1] [L12] COND FALSE !(i == 10) VAL [i=1, up=1] [L15] COND FALSE !(i == 0) VAL [i=1, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=2, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=2, up=1] [L12] COND FALSE !(i == 10) VAL [i=2, up=1] [L15] COND FALSE !(i == 0) VAL [i=2, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=3, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=3, up=1] [L12] COND FALSE !(i == 10) VAL [i=3, up=1] [L15] COND FALSE !(i == 0) VAL [i=3, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=4, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=4, up=1] [L12] COND FALSE !(i == 10) VAL [i=4, up=1] [L15] COND FALSE !(i == 0) VAL [i=4, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=5, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=5, up=1] [L12] COND FALSE !(i == 10) VAL [i=5, up=1] [L15] COND FALSE !(i == 0) VAL [i=5, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=6, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=6, up=1] [L12] COND FALSE !(i == 10) VAL [i=6, up=1] [L15] COND FALSE !(i == 0) VAL [i=6, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=7, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=7, up=1] [L12] COND FALSE !(i == 10) VAL [i=7, up=1] [L15] COND FALSE !(i == 0) VAL [i=7, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=8, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=8, up=1] [L12] COND FALSE !(i == 10) VAL [i=8, up=1] [L15] COND FALSE !(i == 0) VAL [i=8, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=9, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=9, up=1] [L12] COND FALSE !(i == 10) VAL [i=9, up=1] [L15] COND FALSE !(i == 0) VAL [i=9, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=10, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=10, up=1] [L12] COND TRUE i == 10 [L13] up = 0 VAL [i=10, up=0] Loop: [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND TRUE i == 0 [L16] up = 1 [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i == 10 [L13] up = 0 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 15]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=1, up=0] [L12] COND FALSE !(i == 10) VAL [i=1, up=0] [L15] COND FALSE !(i == 0) VAL [i=1, up=0] [L18] COND FALSE !(up == 1) [L21] i = i-1 VAL [i=0, up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=0, up=0] [L12] COND FALSE !(i == 10) VAL [i=0, up=0] [L15] COND TRUE i == 0 [L16] up = 1 VAL [i=0, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=1, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=1, up=1] [L12] COND FALSE !(i == 10) VAL [i=1, up=1] [L15] COND FALSE !(i == 0) VAL [i=1, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=2, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=2, up=1] [L12] COND FALSE !(i == 10) VAL [i=2, up=1] [L15] COND FALSE !(i == 0) VAL [i=2, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=3, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=3, up=1] [L12] COND FALSE !(i == 10) VAL [i=3, up=1] [L15] COND FALSE !(i == 0) VAL [i=3, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=4, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=4, up=1] [L12] COND FALSE !(i == 10) VAL [i=4, up=1] [L15] COND FALSE !(i == 0) VAL [i=4, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=5, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=5, up=1] [L12] COND FALSE !(i == 10) VAL [i=5, up=1] [L15] COND FALSE !(i == 0) VAL [i=5, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=6, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=6, up=1] [L12] COND FALSE !(i == 10) VAL [i=6, up=1] [L15] COND FALSE !(i == 0) VAL [i=6, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=7, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=7, up=1] [L12] COND FALSE !(i == 10) VAL [i=7, up=1] [L15] COND FALSE !(i == 0) VAL [i=7, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=8, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=8, up=1] [L12] COND FALSE !(i == 10) VAL [i=8, up=1] [L15] COND FALSE !(i == 0) VAL [i=8, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=9, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=9, up=1] [L12] COND FALSE !(i == 10) VAL [i=9, up=1] [L15] COND FALSE !(i == 0) VAL [i=9, up=1] [L18] COND TRUE up == 1 [L19] i = i+1 VAL [i=10, up=1] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=10, up=1] [L12] COND TRUE i == 10 [L13] up = 0 VAL [i=10, up=0] Loop: [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND FALSE !(up == 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND TRUE i == 0 [L16] up = 1 [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i == 10) [L15] COND FALSE !(i == 0) [L18] COND TRUE up == 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i == 10 [L13] up = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:03:04,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Ended with exit code 0 [2025-01-10 07:03:04,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Ended with exit code 0 [2025-01-10 07:03:04,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Forceful destruction successful, exit code 0 [2025-01-10 07:03:04,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Ended with exit code 0 [2025-01-10 07:03:05,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Ended with exit code 0 [2025-01-10 07:03:05,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-10 07:03:05,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)