./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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-crafted/4NestedWith3Variables-1.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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48'] 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-crafted/4NestedWith3Variables-1.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 b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:45:47,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:45:47,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-07 23:45:47,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:45:47,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:45:47,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:45:47,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:45:47,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:45:47,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:45:47,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:45:47,827 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-07 23:45:47,827 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-07 23:45:47,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:45:47,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:45:47,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:45:47,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:45:47,828 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-07 23:45:47,828 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 -> b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 [2024-11-07 23:45:48,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:45:48,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:45:48,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:45:48,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:45:48,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:45:48,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2024-11-07 23:45:49,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:45:49,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:45:49,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2024-11-07 23:45:49,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af85cca83/cfa81de9af1c43499cbcbdd7f5ce0853/FLAGb113c0c25 [2024-11-07 23:45:49,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af85cca83/cfa81de9af1c43499cbcbdd7f5ce0853 [2024-11-07 23:45:49,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:45:49,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:45:49,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:45:49,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:45:49,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:45:49,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738c5ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49, skipping insertion in model container [2024-11-07 23:45:49,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:45:49,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:45:49,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:45:49,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:45:49,661 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:45:49,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49 WrapperNode [2024-11-07 23:45:49,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:45:49,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:45:49,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:45:49,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:45:49,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,682 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-07 23:45:49,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:45:49,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:45:49,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:45:49,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:45:49,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,695 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 23:45:49,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:45:49,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:45:49,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:45:49,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:45:49,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (1/1) ... [2024-11-07 23:45:49,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:49,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:49,733 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) [2024-11-07 23:45:49,735 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 [2024-11-07 23:45:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:45:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:45:49,806 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:45:49,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:45:49,867 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-07 23:45:49,868 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:45:49,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:45:49,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 23:45:49,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:49 BoogieIcfgContainer [2024-11-07 23:45:49,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:45:49,875 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-07 23:45:49,875 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-07 23:45:49,879 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-07 23:45:49,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:45:49,880 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:45:49" (1/3) ... [2024-11-07 23:45:49,880 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ab37b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:45:49, skipping insertion in model container [2024-11-07 23:45:49,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:45:49,881 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:49" (2/3) ... [2024-11-07 23:45:49,881 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ab37b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:45:49, skipping insertion in model container [2024-11-07 23:45:49,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:45:49,881 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:49" (3/3) ... [2024-11-07 23:45:49,882 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2024-11-07 23:45:49,928 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-07 23:45:49,929 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-07 23:45:49,929 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-07 23:45:49,929 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-07 23:45:49,929 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-07 23:45:49,929 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-07 23:45:49,930 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-07 23:45:49,930 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-07 23:45:49,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:45:49,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-07 23:45:49,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:45:49,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:45:49,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-07 23:45:49,952 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-07 23:45:49,952 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-07 23:45:49,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:45:49,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-07 23:45:49,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:45:49,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:45:49,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-07 23:45:49,954 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-07 23:45:49,961 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~q~0#1, main_~olda~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~q~0#1;havoc main_~olda~0#1;havoc main_#t~nondet0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L23true assume !!(-524287 <= main_~q~0#1 && main_~q~0#1 <= 524287); 9#L24true assume !!(-524287 <= main_~a~0#1 && main_~a~0#1 <= 524287); 5#L25true assume !!(-524287 <= main_~b~0#1 && main_~b~0#1 <= 524287); 4#L26-2true [2024-11-07 23:45:49,962 INFO L747 eck$LassoCheckResult]: Loop: 4#L26-2true assume !!(main_~q~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~a~0#1 - 1;main_~olda~0#1 := main_~a~0#1;main_~a~0#1 := 3 * main_~olda~0#1 - 4 * main_~b~0#1;main_~b~0#1 := 4 * main_~olda~0#1 + 3 * main_~b~0#1; 4#L26-2true [2024-11-07 23:45:49,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:45:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-11-07 23:45:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:45:49,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103397320] [2024-11-07 23:45:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:45:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:45:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:45:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:45:50,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:45:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2024-11-07 23:45:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:45:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160717639] [2024-11-07 23:45:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:45:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:45:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:45:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:45:50,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:45:50,071 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2024-11-07 23:45:50,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:45:50,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647022464] [2024-11-07 23:45:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:45:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:45:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:45:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:45:50,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:45:50,185 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:45:50,186 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:45:50,186 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:45:50,186 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:45:50,186 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-07 23:45:50,186 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,187 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:45:50,187 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:45:50,187 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2024-11-07 23:45:50,187 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:45:50,187 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:45:50,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,280 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:45:50,280 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-07 23:45:50,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,283 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) [2024-11-07 23:45:50,285 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 [2024-11-07 23:45:50,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-07 23:45:50,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:45:50,314 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 [2024-11-07 23:45:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,318 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) [2024-11-07 23:45:50,319 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 [2024-11-07 23:45:50,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-07 23:45:50,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-07 23:45:50,599 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-07 23:45:50,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-07 23:45:50,604 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:45:50,604 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:45:50,604 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:45:50,604 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:45:50,604 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:45:50,604 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,604 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:45:50,604 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:45:50,604 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2024-11-07 23:45:50,604 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:45:50,604 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:45:50,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:45:50,693 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:45:50,696 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:45:50,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,699 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) [2024-11-07 23:45:50,700 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 [2024-11-07 23:45:50,701 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 [2024-11-07 23:45:50,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:45:50,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:45:50,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:45:50,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:45:50,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,729 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 [2024-11-07 23:45:50,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,731 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) [2024-11-07 23:45:50,732 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 [2024-11-07 23:45:50,732 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 [2024-11-07 23:45:50,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:45:50,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:45:50,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:45:50,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,760 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 [2024-11-07 23:45:50,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,761 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) [2024-11-07 23:45:50,762 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 [2024-11-07 23:45:50,763 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 [2024-11-07 23:45:50,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:45:50,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:45:50,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:45:50,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,787 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 [2024-11-07 23:45:50,787 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-07 23:45:50,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,789 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) [2024-11-07 23:45:50,789 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 [2024-11-07 23:45:50,790 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 [2024-11-07 23:45:50,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:45:50,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,800 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-07 23:45:50,802 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-07 23:45:50,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:45:50,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-07 23:45:50,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,821 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) [2024-11-07 23:45:50,821 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 [2024-11-07 23:45:50,822 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 [2024-11-07 23:45:50,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,833 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-07 23:45:50,835 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-07 23:45:50,835 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-07 23:45:50,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-07 23:45:50,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,851 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) [2024-11-07 23:45:50,852 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 [2024-11-07 23:45:50,853 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 [2024-11-07 23:45:50,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,864 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-07 23:45:50,866 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-07 23:45:50,866 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-07 23:45:50,869 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-07 23:45:50,880 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-07 23:45:50,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,882 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) [2024-11-07 23:45:50,883 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 [2024-11-07 23:45:50,884 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 [2024-11-07 23:45:50,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:45:50,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,895 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-07 23:45:50,898 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-07 23:45:50,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:45:50,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-07 23:45:50,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,915 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) [2024-11-07 23:45:50,916 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 [2024-11-07 23:45:50,917 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 [2024-11-07 23:45:50,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,927 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-07 23:45:50,931 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-07 23:45:50,931 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-07 23:45:50,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,946 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 [2024-11-07 23:45:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,948 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) [2024-11-07 23:45:50,950 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 [2024-11-07 23:45:50,951 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 [2024-11-07 23:45:50,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-07 23:45:50,964 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-07 23:45:50,964 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-07 23:45:50,971 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:45:50,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-07 23:45:50,982 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-07 23:45:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:50,984 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) [2024-11-07 23:45:50,985 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 [2024-11-07 23:45:50,985 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 [2024-11-07 23:45:50,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:45:50,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:45:50,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:45:50,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:45:50,996 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-07 23:45:50,998 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-07 23:45:50,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:45:51,037 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:45:51,058 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-07 23:45:51,060 INFO L444 ModelExtractionUtils]: 4 out of 17 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-07 23:45:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:45:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:45:51,067 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) [2024-11-07 23:45:51,069 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 [2024-11-07 23:45:51,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:45:51,069 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-07 23:45:51,070 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:45:51,070 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -8*ULTIMATE.start_main_~a~0#1 - 16*ULTIMATE.start_main_~b~0#1 + 80*ULTIMATE.start_main_~q~0#1 f1 = 2*ULTIMATE.start_main_~a~0#1 - 4*ULTIMATE.start_main_~b~0#1 + 4*ULTIMATE.start_main_~q~0#1 f2 = 1*ULTIMATE.start_main_~a~0#1 f3 = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2024-11-07 23:45:51,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-07 23:45:51,088 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-07 23:45:51,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-07 23:45:51,097 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-07 23:45:51,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:45:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:45:51,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:45:51,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:45:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:45:51,146 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 23:45:51,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:45:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:45:51,166 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 [2024-11-07 23:45:51,167 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-11-07 23:45:51,200 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 18 states and 22 transitions. Complement of second has 4 states. [2024-11-07 23:45:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-07 23:45:51,203 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) [2024-11-07 23:45:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-07 23:45:51,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 1 letters. [2024-11-07 23:45:51,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:45:51,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 1 letters. [2024-11-07 23:45:51,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:45:51,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-07 23:45:51,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:45:51,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-11-07 23:45:51,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:45:51,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-11-07 23:45:51,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:45:51,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:45:51,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:45:51,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:45:51,217 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:45:51,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:45:51,217 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:45:51,217 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-07 23:45:51,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-07 23:45:51,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:45:51,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-07 23:45:51,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:45:51 BoogieIcfgContainer [2024-11-07 23:45:51,222 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-07 23:45:51,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:45:51,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:45:51,223 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:45:51,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:49" (3/4) ... [2024-11-07 23:45:51,225 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 23:45:51,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:45:51,226 INFO L158 Benchmark]: Toolchain (without parser) took 1714.99ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 48.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-07 23:45:51,226 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:45:51,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.72ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 66.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:45:51,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.95ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 876.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:45:51,227 INFO L158 Benchmark]: Boogie Preprocessor took 20.21ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 64.9MB in the end (delta: 969.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:45:51,227 INFO L158 Benchmark]: RCFGBuilder took 169.36ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 56.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:45:51,227 INFO L158 Benchmark]: BuchiAutomizer took 1347.56ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 48.9MB in the end (delta: 6.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-07 23:45:51,227 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 100.7MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 22.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:45:51,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.72ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 66.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.95ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 876.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.21ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 64.9MB in the end (delta: 969.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 169.36ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 56.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1347.56ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 48.9MB in the end (delta: 6.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 100.7MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 22.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function null, null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax139 hnf100 lsp71 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq193 hnf94 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-07 23:45:51,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-07 23:45:51,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE