./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:02:12,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:02:12,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-01-10 07:02:12,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:02:12,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:02:12,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:02:12,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:02:12,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:02:12,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:02:12,145 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:02:12,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:02:12,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:02:12,146 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:02:12,146 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:02:12,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:02:12,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:02:12,148 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:02:12,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:02:12,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:02:12,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:02:12,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:02:12,149 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:02:12,150 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 -> 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f [2025-01-10 07:02:12,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:02:12,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:02:12,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:02:12,377 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:02:12,378 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:02:12,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/LogAG.c [2025-01-10 07:02:13,503 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01eb276c4/1b6b1afc9422450b92611f89b33fb4d5/FLAGec7e6dcf6 [2025-01-10 07:02:13,726 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:02:13,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/LogAG.c [2025-01-10 07:02:13,731 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01eb276c4/1b6b1afc9422450b92611f89b33fb4d5/FLAGec7e6dcf6 [2025-01-10 07:02:14,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01eb276c4/1b6b1afc9422450b92611f89b33fb4d5 [2025-01-10 07:02:14,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:02:14,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:02:14,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:14,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:02:14,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:02:14,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3249ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14, skipping insertion in model container [2025-01-10 07:02:14,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:02:14,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:14,157 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:02:14,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:14,170 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:02:14,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14 WrapperNode [2025-01-10 07:02:14,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:14,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:14,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:02:14,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:02:14,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,189 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2025-01-10 07:02:14,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:14,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:02:14,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:02:14,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:02:14,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,200 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 07:02:14,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:02:14,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:02:14,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:02:14,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:02:14,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (1/1) ... [2025-01-10 07:02:14,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:14,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:14,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:02:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:02:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:02:14,284 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:02:14,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:02:14,330 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-01-10 07:02:14,331 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:02:14,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:02:14,342 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 07:02:14,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:14 BoogieIcfgContainer [2025-01-10 07:02:14,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:02:14,343 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:02:14,343 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:02:14,347 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:02:14,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:14,348 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:02:14" (1/3) ... [2025-01-10 07:02:14,349 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce2b77e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:14, skipping insertion in model container [2025-01-10 07:02:14,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:14,349 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:14" (2/3) ... [2025-01-10 07:02:14,351 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce2b77e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:14, skipping insertion in model container [2025-01-10 07:02:14,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:14,351 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:14" (3/3) ... [2025-01-10 07:02:14,352 INFO L363 chiAutomizerObserver]: Analyzing ICFG LogAG.c [2025-01-10 07:02:14,394 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:02:14,394 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:02:14,394 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:02:14,394 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:02:14,394 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:02:14,395 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:02:14,395 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:02:14,395 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:02:14,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:14,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:14,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:14,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:14,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:14,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:14,412 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:02:14,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:14,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:14,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:14,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:14,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:14,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:14,418 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0;" [2025-01-10 07:02:14,419 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 1;main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0;" "assume !(main_~xtmp~0#1 > 1);main_~x~0#1 := 1 + main_~xtmp~0#1;main_~res~0#1 := 1 + main_~res~0#1;" [2025-01-10 07:02:14,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:14,422 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2025-01-10 07:02:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:14,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206489744] [2025-01-10 07:02:14,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:14,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:14,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,475 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:14,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:14,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:14,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2025-01-10 07:02:14,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:14,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016351600] [2025-01-10 07:02:14,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:14,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,501 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:14,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:14,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:14,505 INFO L85 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2025-01-10 07:02:14,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:14,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372776051] [2025-01-10 07:02:14,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:14,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:14,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:14,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,513 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:14,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:14,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:14,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:14,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:14,592 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:14,592 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:14,592 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:14,592 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:14,592 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:14,592 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,592 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:14,593 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:14,593 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2025-01-10 07:02:14,593 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:14,593 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:14,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,688 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:14,688 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:14,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:14,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:02:14,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:14,693 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:14,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-01-10 07:02:14,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:14,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:14,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:02:14,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:14,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:14,737 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:14,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-01-10 07:02:14,741 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:14,741 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:14,741 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:14,741 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:14,741 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:14,741 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,741 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:14,741 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:14,741 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2025-01-10 07:02:14,741 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:14,741 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:14,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:14,817 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:14,820 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:14,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:14,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:14,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:02:14,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:14,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:14,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:14,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:14,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:14,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:14,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:14,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:14,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:14,847 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:14,850 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:14,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:14,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:02:14,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:14,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:14,857 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:14,857 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-01-10 07:02:14,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-01-10 07:02:14,867 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:14,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:14,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:14,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:14,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:14,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:14,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:14,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:14,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 07:02:14,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:14,943 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-01-10 07:02:14,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:14,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 14 transitions. Complement of second has 5 states. [2025-01-10 07:02:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2025-01-10 07:02:14,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2025-01-10 07:02:14,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:14,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2025-01-10 07:02:14,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:14,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 4 letters. [2025-01-10 07:02:14,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:14,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 14 transitions. [2025-01-10 07:02:14,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:02:14,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 7 states and 10 transitions. [2025-01-10 07:02:14,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2025-01-10 07:02:14,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2025-01-10 07:02:14,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2025-01-10 07:02:14,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:14,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2025-01-10 07:02:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2025-01-10 07:02:14,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2025-01-10 07:02:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2025-01-10 07:02:14,998 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 9 transitions. [2025-01-10 07:02:14,998 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2025-01-10 07:02:14,998 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:02:14,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2025-01-10 07:02:14,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:02:14,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:14,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:14,999 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-01-10 07:02:14,999 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:02:14,999 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0;" "assume main_~x~0#1 > 1;main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0;" [2025-01-10 07:02:14,999 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~xtmp~0#1 > 1;main_~xtmp~0#1 := main_~xtmp~0#1 - 2;main_~restmp~0#1 := 1 + main_~restmp~0#1;" [2025-01-10 07:02:14,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 07:02:15,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751229682] [2025-01-10 07:02:15,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:15,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:15,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,006 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:15,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:15,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:15,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:15,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2025-01-10 07:02:15,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434841002] [2025-01-10 07:02:15,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:15,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,019 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:15,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:15,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,026 INFO L85 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2025-01-10 07:02:15,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74933484] [2025-01-10 07:02:15,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:15,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:15,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,033 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:15,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:15,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:15,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:15,059 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:15,059 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:15,059 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:15,059 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:15,059 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:15,059 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,059 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:15,059 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:15,060 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2025-01-10 07:02:15,060 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:15,060 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:15,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,113 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:15,114 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:15,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:02:15,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,137 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:15,139 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:15,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-01-10 07:02:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-01-10 07:02:15,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:02:15,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:15,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,195 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:15,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-01-10 07:02:15,199 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:15,199 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:15,199 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:15,199 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:15,199 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:15,199 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,199 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:15,199 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:15,199 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2025-01-10 07:02:15,199 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:15,199 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:15,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,255 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:15,255 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:15,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-01-10 07:02:15,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:15,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:15,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:15,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:15,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:15,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:15,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:15,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:15,285 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 07:02:15,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-01-10 07:02:15,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:15,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:15,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:15,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:15,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:15,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:15,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:15,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:15,303 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:15,306 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:15,306 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-01-10 07:02:15,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,308 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-01-10 07:02:15,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:15,311 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:15,311 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:15,311 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0#1) = 1*ULTIMATE.start_main_~xtmp~0#1 Supporting invariants [] [2025-01-10 07:02:15,317 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 07:02:15,317 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:15,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:02:15,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:02:15,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,350 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:15,351 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:02:15,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 13 transitions. Complement of second has 3 states. [2025-01-10 07:02:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-01-10 07:02:15,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2025-01-10 07:02:15,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 4 letters. Loop has 1 letters. [2025-01-10 07:02:15,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 2 letters. [2025-01-10 07:02:15,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. [2025-01-10 07:02:15,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:02:15,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 7 states and 10 transitions. [2025-01-10 07:02:15,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2025-01-10 07:02:15,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2025-01-10 07:02:15,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2025-01-10 07:02:15,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:15,361 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2025-01-10 07:02:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2025-01-10 07:02:15,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2025-01-10 07:02:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) 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 07:02:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2025-01-10 07:02:15,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-01-10 07:02:15,362 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2025-01-10 07:02:15,362 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:02:15,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2025-01-10 07:02:15,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:02:15,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:15,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:15,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2025-01-10 07:02:15,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:02:15,363 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0;" "assume main_~x~0#1 > 1;main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0;" "assume !(main_~xtmp~0#1 > 1);main_~x~0#1 := 1 + main_~xtmp~0#1;main_~res~0#1 := 1 + main_~res~0#1;" "assume main_~x~0#1 > 1;main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0;" [2025-01-10 07:02:15,363 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~xtmp~0#1 > 1;main_~xtmp~0#1 := main_~xtmp~0#1 - 2;main_~restmp~0#1 := 1 + main_~restmp~0#1;" [2025-01-10 07:02:15,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash 28694877, now seen corresponding path program 2 times [2025-01-10 07:02:15,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436897811] [2025-01-10 07:02:15,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 2 equivalence classes. [2025-01-10 07:02:15,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:02:15,373 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:02:15,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,373 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:15,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:02:15,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:02:15,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:15,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,382 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2025-01-10 07:02:15,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219753034] [2025-01-10 07:02:15,382 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,388 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,388 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,389 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:15,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,389 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:15,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:15,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:15,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash 889541197, now seen corresponding path program 1 times [2025-01-10 07:02:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:15,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488685275] [2025-01-10 07:02:15,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:15,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:15,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:15,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:15,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488685275] [2025-01-10 07:02:15,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488685275] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:15,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:02:15,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798219560] [2025-01-10 07:02:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:15,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-01-10 07:02:15,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-01-10 07:02:15,495 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:15,495 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:15,496 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:15,496 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:15,496 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:15,496 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,496 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:15,496 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:15,496 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2025-01-10 07:02:15,496 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:15,496 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:15,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,551 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:15,551 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:15,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-01-10 07:02:15,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-01-10 07:02:15,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,574 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-01-10 07:02:15,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:15,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,602 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:15,602 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~restmp~0#1=0} Honda state: {ULTIMATE.start_main_~restmp~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~restmp~0#1=0}, {ULTIMATE.start_main_~restmp~0#1=5}, {ULTIMATE.start_main_~restmp~0#1=-4}] Lambdas: [1, 1, 1] Nus: [0, 0] [2025-01-10 07:02:15,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:15,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,610 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-01-10 07:02:15,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,631 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:15,631 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:15,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-01-10 07:02:15,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,638 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-01-10 07:02:15,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,658 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:15,658 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:15,663 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 07:02:15,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,666 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-01-10 07:02:15,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:15,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-01-10 07:02:15,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,686 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-01-10 07:02:15,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:15,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:15,710 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:15,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-01-10 07:02:15,713 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:15,713 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:15,713 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:15,713 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:15,713 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:15,714 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,714 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:15,714 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:15,714 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2025-01-10 07:02:15,714 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:15,714 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:15,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:15,764 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:15,764 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:15,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,766 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-01-10 07:02:15,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:15,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:15,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:15,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:15,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:15,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:15,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:15,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:15,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:15,786 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 07:02:15,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,789 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-01-10 07:02:15,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:15,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:15,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:15,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:15,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:15,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:15,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:15,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:15,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:15,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,813 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-01-10 07:02:15,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:15,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:15,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:15,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:15,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:15,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:15,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:15,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:15,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:15,831 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-01-10 07:02:15,831 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:02:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:15,833 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-01-10 07:02:15,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:15,835 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:15,835 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:15,835 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0#1) = 1*ULTIMATE.start_main_~xtmp~0#1 Supporting invariants [] [2025-01-10 07:02:15,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:15,841 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:15,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:02:15,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:02:15,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,865 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:15,866 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:02:15,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 10 transitions. Complement of second has 3 states. [2025-01-10 07:02:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-01-10 07:02:15,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 5 letters. Loop has 1 letters. [2025-01-10 07:02:15,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,876 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:02:15,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:02:15,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:02:15,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,908 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:15,909 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:02:15,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,915 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 10 transitions. Complement of second has 3 states. [2025-01-10 07:02:15,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2025-01-10 07:02:15,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 5 letters. Loop has 1 letters. [2025-01-10 07:02:15,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,916 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:02:15,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:15,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:02:15,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:02:15,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:02:15,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:02:15,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:15,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:15,948 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:15,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:15,949 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 1 loop predicates [2025-01-10 07:02:15,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 9 transitions. Complement of second has 2 states. [2025-01-10 07:02:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-01-10 07:02:15,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2025-01-10 07:02:15,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 6 letters. Loop has 1 letters. [2025-01-10 07:02:15,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2025-01-10 07:02:15,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:15,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2025-01-10 07:02:15,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:02:15,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2025-01-10 07:02:15,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:02:15,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:02:15,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:02:15,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:02:15,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:02:15,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:02:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:15,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 07:02:15,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 07:02:15,960 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 07:02:15,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:15,962 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:02:15,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:02:15,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:02:15,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:02:15,962 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:02:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 07:02:15,963 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:02:15,963 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:02:15,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 07:02:15,963 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:02:15,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 07:02:15,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:02:15 BoogieIcfgContainer [2025-01-10 07:02:15,969 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:02:15,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:02:15,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:02:15,969 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:02:15,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:14" (3/4) ... [2025-01-10 07:02:15,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 07:02:15,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:02:15,972 INFO L158 Benchmark]: Toolchain (without parser) took 1907.25ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 104.5MB in the end (delta: 28.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2025-01-10 07:02:15,972 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 105.74ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 122.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.27ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.7MB in the end (delta: 899.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: Boogie Preprocessor took 13.48ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 919.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: RCFGBuilder took 138.16ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 111.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: BuchiAutomizer took 1625.44ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 104.6MB in the end (delta: 7.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2025-01-10 07:02:15,973 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:15,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 105.74ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 122.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.27ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.7MB in the end (delta: 899.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.48ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 919.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 138.16ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 111.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1625.44ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 104.6MB in the end (delta: 7.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 104.5MB in the end (delta: 50.8kB). 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 x and consists of 3 locations. One deterministic module has affine ranking function xtmp and consists of 2 locations. One nondeterministic module has affine ranking function xtmp and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 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, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 16 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax172 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 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 07:02:15,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:16,185 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