./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i --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-bwb/counting-bits-BK1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:59:04,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:59:04,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-01-10 06:59:04,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:59:04,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:59:04,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:59:04,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:59:04,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:59:04,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:59:04,633 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:59:04,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:59:04,634 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 06:59:04,634 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 06:59:04,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:59:04,635 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:59:04,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:59:04,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:59:04,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:59:04,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:59:04,636 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 06:59:04,636 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 -> 70faeb8da388def92e8d8f27f56338b509eab5fac6bc00546c486b6bd63f5971 [2025-01-10 06:59:04,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:59:04,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:59:04,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:59:04,870 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:59:04,870 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:59:04,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2025-01-10 06:59:05,960 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0f28f2b0/599b858b58ea4d9ebd6efc24d52b061c/FLAG6c37f5ced [2025-01-10 06:59:06,299 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:59:06,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2025-01-10 06:59:06,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0f28f2b0/599b858b58ea4d9ebd6efc24d52b061c/FLAG6c37f5ced [2025-01-10 06:59:06,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0f28f2b0/599b858b58ea4d9ebd6efc24d52b061c [2025-01-10 06:59:06,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:59:06,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:59:06,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:59:06,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:59:06,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:59:06,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278420ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06, skipping insertion in model container [2025-01-10 06:59:06,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:59:06,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:59:06,491 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:59:06,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:59:06,509 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:59:06,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06 WrapperNode [2025-01-10 06:59:06,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:59:06,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:59:06,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:59:06,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:59:06,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,530 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2025-01-10 06:59:06,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:59:06,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:59:06,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:59:06,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:59:06,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,544 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 06:59:06,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:59:06,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:59:06,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:59:06,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:59:06,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (1/1) ... [2025-01-10 06:59:06,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:06,591 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 06:59:06,605 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 06:59:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:59:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:59:06,662 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:59:06,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:59:06,737 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2025-01-10 06:59:06,737 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:59:06,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:59:06,743 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:59:06,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:06 BoogieIcfgContainer [2025-01-10 06:59:06,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:59:06,744 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 06:59:06,745 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 06:59:06,752 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 06:59:06,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 06:59:06,753 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 06:59:06" (1/3) ... [2025-01-10 06:59:06,753 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20baba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 06:59:06, skipping insertion in model container [2025-01-10 06:59:06,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 06:59:06,753 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:06" (2/3) ... [2025-01-10 06:59:06,754 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20baba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 06:59:06, skipping insertion in model container [2025-01-10 06:59:06,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 06:59:06,754 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:06" (3/3) ... [2025-01-10 06:59:06,755 INFO L363 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK1.i [2025-01-10 06:59:06,804 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 06:59:06,805 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 06:59:06,805 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 06:59:06,805 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 06:59:06,805 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 06:59:06,806 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 06:59:06,806 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 06:59:06,806 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 06:59:06,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 06:59:06,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:06,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 06:59:06,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 06:59:06,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 06:59:06,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-01-10 06:59:06,824 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 06:59:06,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 06:59:06,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:06,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 06:59:06,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 06:59:06,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 06:59:06,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-01-10 06:59:06,830 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_#t~post3#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0;" [2025-01-10 06:59:06,831 INFO L754 eck$LassoCheckResult]: Loop: "assume ~v~0 > 0;" "assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise2#1 := 0;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-01-10 06:59:06,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:06,839 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2025-01-10 06:59:06,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:06,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111532992] [2025-01-10 06:59:06,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:06,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:06,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 06:59:06,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 06:59:06,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,905 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:06,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 06:59:06,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 06:59:06,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:06,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:06,928 INFO L85 PathProgramCache]: Analyzing trace with hash 35855, now seen corresponding path program 1 times [2025-01-10 06:59:06,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:06,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565458251] [2025-01-10 06:59:06,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:06,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:06,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:06,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:06,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,944 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:06,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:06,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:06,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:06,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:06,954 INFO L85 PathProgramCache]: Analyzing trace with hash 28694797, now seen corresponding path program 1 times [2025-01-10 06:59:06,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:06,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197271149] [2025-01-10 06:59:06,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:06,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:06,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:06,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:06,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,968 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:06,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:06,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:06,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:06,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:06,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:07,080 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:07,081 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:07,081 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:07,081 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:07,081 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 06:59:07,081 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,081 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:07,081 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:07,081 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2025-01-10 06:59:07,082 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:07,082 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:07,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,159 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:07,159 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 06:59:07,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,165 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 06:59:07,166 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 06:59:07,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:07,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,183 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 06:59:07,183 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 06:59:07,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,197 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 06:59:07,198 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 06:59:07,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:07,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,215 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 06:59:07,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,222 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 06:59:07,225 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 06:59:07,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 06:59:07,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,251 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 06:59:07,252 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=1}, {~c~0=4}, {~c~0=-4}] Lambdas: [1, 2, 1] Nus: [0, 1] [2025-01-10 06:59:07,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,263 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 06:59:07,264 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 06:59:07,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:07,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,290 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 06:59:07,294 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 06:59:07,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 06:59:07,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,311 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 06:59:07,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,318 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:07,318 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:07,318 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:07,318 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:07,318 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 06:59:07,318 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,318 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:07,318 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:07,318 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2025-01-10 06:59:07,318 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:07,318 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:07,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,363 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:07,365 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 06:59:07,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,368 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 06:59:07,372 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 06:59:07,373 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 06:59:07,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:07,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:07,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:07,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:07,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:07,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:07,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:07,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 06:59:07,397 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 06:59:07,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,399 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 06:59:07,401 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 06:59:07,402 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 06:59:07,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:07,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:07,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:07,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:07,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:07,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:07,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:07,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 06:59:07,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,423 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 06:59:07,425 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 06:59:07,425 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 06:59:07,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:07,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:07,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:07,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:07,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:07,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:07,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:07,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 06:59:07,442 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 06:59:07,444 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 06:59:07,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,447 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 06:59:07,449 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 06:59:07,450 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 06:59:07,450 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 06:59:07,450 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 06:59:07,450 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2025-01-10 06:59:07,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,459 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 06:59:07,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:07,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 06:59:07,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 06:59:07,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:07,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:59:07,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:07,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:07,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:07,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:07,491 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:59:07,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:07,517 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 06:59:07,534 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 06:59:07,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:59:07,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 40 states and 53 transitions. Complement of second has 11 states. [2025-01-10 06:59:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-01-10 06:59:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:59:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 32 transitions. [2025-01-10 06:59:07,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 2 letters. Loop has 3 letters. [2025-01-10 06:59:07,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:07,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2025-01-10 06:59:07,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:07,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 2 letters. Loop has 6 letters. [2025-01-10 06:59:07,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:07,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2025-01-10 06:59:07,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:07,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 23 states and 27 transitions. [2025-01-10 06:59:07,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-01-10 06:59:07,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-01-10 06:59:07,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2025-01-10 06:59:07,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 06:59:07,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2025-01-10 06:59:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2025-01-10 06:59:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 15. [2025-01-10 06:59:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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 06:59:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2025-01-10 06:59:07,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-01-10 06:59:07,627 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-01-10 06:59:07,627 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 06:59:07,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2025-01-10 06:59:07,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:07,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 06:59:07,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 06:59:07,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-01-10 06:59:07,628 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-01-10 06:59:07,629 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_#t~post3#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0;" "assume ~v~0 > 0;" [2025-01-10 06:59:07,629 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == ~v~0 || 0 == ~v~0 - 1);" "assume !(~v~0 == ~v~0 - 1);" "havoc main_#t~bitwise2#1;assume (((((~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 <= ~v~0) && ((~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 <= ~v~0 - 1)) && ((~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 >= 0)) && ((~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 > ~v~0 + (~v~0 - 1))) && main_#t~bitwise2#1 >= -2147483648;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" "assume ~v~0 > 0;" [2025-01-10 06:59:07,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:07,629 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 06:59:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:07,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057726845] [2025-01-10 06:59:07,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:07,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:07,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:07,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,633 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:07,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:07,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:07,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:07,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:07,636 INFO L85 PathProgramCache]: Analyzing trace with hash 39281470, now seen corresponding path program 1 times [2025-01-10 06:59:07,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:07,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592221621] [2025-01-10 06:59:07,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:07,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:07,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:07,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,642 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:07,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:07,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:07,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:07,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:07,647 INFO L85 PathProgramCache]: Analyzing trace with hash 149980124, now seen corresponding path program 1 times [2025-01-10 06:59:07,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:07,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569237422] [2025-01-10 06:59:07,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:59:07,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:07,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:59:07,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:59:07,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,677 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:07,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:07,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:59:07,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:59:07,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:07,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:07,729 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:07,729 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:07,729 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:07,729 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:07,729 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 06:59:07,729 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,729 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:07,729 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:07,729 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration2_Loop [2025-01-10 06:59:07,729 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:07,729 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:07,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,761 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:07,761 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 06:59:07,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,763 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 06:59:07,765 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 06:59:07,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:07,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,783 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 06:59:07,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,787 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 06:59:07,790 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 06:59:07,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 06:59:07,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:07,827 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 06:59:07,832 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 06:59:07,832 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:07,832 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:07,832 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:07,832 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:07,832 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 06:59:07,832 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,832 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:07,832 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:07,832 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration2_Loop [2025-01-10 06:59:07,832 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:07,832 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:07,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:07,875 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:07,875 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 06:59:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,878 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 06:59:07,880 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 06:59:07,881 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 06:59:07,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:07,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:07,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:07,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:07,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:07,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:07,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:07,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 06:59:07,901 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 06:59:07,901 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 06:59:07,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:07,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:07,904 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 06:59:07,910 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 06:59:07,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 06:59:07,910 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 06:59:07,910 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 06:59:07,910 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2025-01-10 06:59:07,917 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 06:59:07,918 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 06:59:07,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:07,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 06:59:07,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 06:59:07,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:07,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:59:07,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:07,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:07,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:07,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:07,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:07,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:59:07,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,047 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 06:59:08,048 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-01-10 06:59:08,048 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 06:59:08,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) Result 36 states and 41 transitions. Complement of second has 11 states. [2025-01-10 06:59:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-01-10 06:59:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 06:59:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2025-01-10 06:59:08,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 3 letters. Loop has 5 letters. [2025-01-10 06:59:08,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 8 letters. Loop has 5 letters. [2025-01-10 06:59:08,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 3 letters. Loop has 10 letters. [2025-01-10 06:59:08,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions. [2025-01-10 06:59:08,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:08,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 21 states and 24 transitions. [2025-01-10 06:59:08,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-01-10 06:59:08,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-01-10 06:59:08,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 24 transitions. [2025-01-10 06:59:08,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 06:59:08,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2025-01-10 06:59:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 24 transitions. [2025-01-10 06:59:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2025-01-10 06:59:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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 06:59:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-01-10 06:59:08,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 06:59:08,127 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 06:59:08,127 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 06:59:08,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2025-01-10 06:59:08,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 06:59:08,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 06:59:08,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 06:59:08,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2025-01-10 06:59:08,128 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-01-10 06:59:08,128 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_#t~post3#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0;" "assume ~v~0 > 0;" "assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise2#1 := 0;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" "assume ~v~0 > 0;" [2025-01-10 06:59:08,128 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == ~v~0 || 0 == ~v~0 - 1);" "assume !(~v~0 == ~v~0 - 1);" "havoc main_#t~bitwise2#1;assume (((((~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 <= ~v~0) && ((~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 <= ~v~0 - 1)) && ((~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~bitwise2#1 >= 0)) && ((~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~bitwise2#1 > ~v~0 + (~v~0 - 1))) && main_#t~bitwise2#1 >= -2147483648;" "~v~0 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_#t~post3#1 := ~c~0;~c~0 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" "assume ~v~0 > 0;" [2025-01-10 06:59:08,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:08,129 INFO L85 PathProgramCache]: Analyzing trace with hash 889538713, now seen corresponding path program 2 times [2025-01-10 06:59:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:08,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622010492] [2025-01-10 06:59:08,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:59:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:08,132 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-01-10 06:59:08,134 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:59:08,134 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:59:08,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:59:08,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:59:08,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622010492] [2025-01-10 06:59:08,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622010492] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:59:08,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:59:08,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:59:08,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274488177] [2025-01-10 06:59:08,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:59:08,169 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 06:59:08,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:08,169 INFO L85 PathProgramCache]: Analyzing trace with hash 39281470, now seen corresponding path program 2 times [2025-01-10 06:59:08,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:59:08,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474406804] [2025-01-10 06:59:08,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:59:08,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:59:08,172 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:08,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:08,174 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:59:08,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:08,174 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 06:59:08,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:08,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:08,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 06:59:08,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 06:59:08,213 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:08,213 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:08,213 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:08,214 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:08,214 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 06:59:08,214 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,214 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:08,214 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:08,214 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration3_Loop [2025-01-10 06:59:08,214 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:08,214 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:08,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,243 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:08,243 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 06:59:08,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,245 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 06:59:08,249 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 06:59:08,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:08,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:08,261 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 06:59:08,262 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 06:59:08,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:08,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,271 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 06:59:08,272 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 06:59:08,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 06:59:08,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:08,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,292 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 06:59:08,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 06:59:08,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 06:59:08,301 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 06:59:08,332 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 06:59:08,336 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 06:59:08,337 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 06:59:08,337 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 06:59:08,337 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 06:59:08,337 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 06:59:08,337 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 06:59:08,337 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,337 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 06:59:08,337 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 06:59:08,337 INFO L132 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration3_Loop [2025-01-10 06:59:08,337 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 06:59:08,337 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 06:59:08,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 06:59:08,369 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 06:59:08,369 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 06:59:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,371 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 06:59:08,379 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 06:59:08,379 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 06:59:08,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:08,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:08,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:08,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:08,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:08,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:08,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:08,392 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 06:59:08,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-01-10 06:59:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,399 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 06:59:08,400 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 06:59:08,402 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 06:59:08,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 06:59:08,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 06:59:08,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 06:59:08,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 06:59:08,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 06:59:08,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 06:59:08,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 06:59:08,420 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 06:59:08,422 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 06:59:08,422 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 06:59:08,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 06:59:08,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:59:08,425 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 06:59:08,430 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 06:59:08,430 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 06:59:08,430 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 06:59:08,430 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2025-01-10 06:59:08,430 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 06:59:08,436 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 06:59:08,437 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 06:59:08,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:08,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:59:08,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:59:08,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:08,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:08,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,542 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 06:59:08,542 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-01-10 06:59:08,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 26 states and 29 transitions. Complement of second has 11 states. [2025-01-10 06:59:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-01-10 06:59:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2025-01-10 06:59:08,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 6 letters. Loop has 5 letters. [2025-01-10 06:59:08,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,607 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 06:59:08,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:08,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:59:08,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:59:08,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,641 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 06:59:08,653 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 06:59:08,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:08,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:08,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,722 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 06:59:08,722 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2025-01-10 06:59:08,723 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 26 states and 29 transitions. Complement of second has 11 states. [2025-01-10 06:59:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-01-10 06:59:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2025-01-10 06:59:08,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 6 letters. Loop has 5 letters. [2025-01-10 06:59:08,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,790 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 06:59:08,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:59:08,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:59:08,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:59:08,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:59:08,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:59:08,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:59:08,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:59:08,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:59:08,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:59:08,875 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 06:59:08,876 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 4 loop predicates [2025-01-10 06:59:08,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 25 states and 28 transitions. Complement of second has 10 states. [2025-01-10 06:59:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2025-01-10 06:59:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 06:59:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2025-01-10 06:59:08,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2025-01-10 06:59:08,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2025-01-10 06:59:08,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2025-01-10 06:59:08,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 06:59:08,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 28 transitions. [2025-01-10 06:59:08,939 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 06:59:08,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2025-01-10 06:59:08,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 06:59:08,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 06:59:08,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 06:59:08,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 06:59:08,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 06:59:08,939 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 06:59:08,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:59:08,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:59:08,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:59:08,941 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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 06:59:08,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:59:08,943 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 06:59:08,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 06:59:08,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 06:59:08,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 06:59:08,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 06:59:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 06:59:08,944 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 06:59:08,944 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 06:59:08,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 06:59:08,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 06:59:08,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 06:59:08,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 06:59:08 BoogieIcfgContainer [2025-01-10 06:59:08,950 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 06:59:08,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:59:08,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:59:08,951 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:59:08,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:06" (3/4) ... [2025-01-10 06:59:08,953 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 06:59:08,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:59:08,954 INFO L158 Benchmark]: Toolchain (without parser) took 2589.24ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 78.1MB in the end (delta: 33.7MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2025-01-10 06:59:08,954 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:59:08,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.90ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 101.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:59:08,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.98ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:59:08,954 INFO L158 Benchmark]: Boogie Preprocessor took 22.52ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:59:08,955 INFO L158 Benchmark]: RCFGBuilder took 188.76ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 90.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:59:08,955 INFO L158 Benchmark]: BuchiAutomizer took 2205.59ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 78.2MB in the end (delta: 12.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2025-01-10 06:59:08,955 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:59:08,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.90ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 101.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.98ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.52ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.76ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 90.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2205.59ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 78.2MB in the end (delta: 12.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function v and consists of 7 locations. One deterministic module has affine ranking function v and consists of 6 locations. One nondeterministic module has affine ranking function v and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 32 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf95 smp100 dnf100 smp100 tf115 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-01-10 06:59:08,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE