./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/arctan_Pade.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/float-benchs/arctan_Pade.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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', '32bit', '--witnessprinter.graph.data.programhash', '03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872'] 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/float-benchs/arctan_Pade.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:12:32,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:12:32,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:12:32,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:12:32,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:12:32,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:12:32,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:12:32,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:12:32,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:12:32,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:12:32,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:12:32,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:12:32,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:12:32,760 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:12:32,761 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:12:32,761 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:12:32,761 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:12:32,761 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:12:32,762 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:12:32,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:12:32,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:12:32,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:12:32,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:12:32,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:12:32,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:12:32,764 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:12:32,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:12:32,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:12:32,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:12:32,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:12:32,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:12:32,765 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:12:32,766 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 [2024-11-08 00:12:33,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:12:33,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:12:33,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:12:33,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:12:33,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:12:33,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-11-08 00:12:34,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:12:34,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:12:34,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-11-08 00:12:34,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49bb5262e/bbfef3aec9114ee8847f24c6ac8ff571/FLAG26fa73a2a [2024-11-08 00:12:34,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49bb5262e/bbfef3aec9114ee8847f24c6ac8ff571 [2024-11-08 00:12:34,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:12:34,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:12:34,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:12:34,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:12:34,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:12:34,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cd7bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34, skipping insertion in model container [2024-11-08 00:12:34,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:12:34,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:12:34,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:12:34,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:12:34,922 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:12:34,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34 WrapperNode [2024-11-08 00:12:34,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:12:34,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:12:34,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:12:34,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:12:34,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,961 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 11, calls inlined = 16, statements flattened = 102 [2024-11-08 00:12:34,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:12:34,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:12:34,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:12:34,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:12:34,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,987 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 00:12:34,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:34,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:35,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:12:35,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:12:35,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:12:35,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:12:35,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (1/1) ... [2024-11-08 00:12:35,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:12:35,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:12:35,045 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) [2024-11-08 00:12:35,049 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 [2024-11-08 00:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:12:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:12:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:12:35,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:12:35,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:12:35,275 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-08 00:12:35,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:12:35,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:12:35,285 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 00:12:35,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:35 BoogieIcfgContainer [2024-11-08 00:12:35,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:12:35,286 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:12:35,286 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:12:35,290 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:12:35,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:12:35,291 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:12:34" (1/3) ... [2024-11-08 00:12:35,292 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f1d83e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:12:35, skipping insertion in model container [2024-11-08 00:12:35,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:12:35,293 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:34" (2/3) ... [2024-11-08 00:12:35,294 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f1d83e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:12:35, skipping insertion in model container [2024-11-08 00:12:35,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:12:35,294 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:35" (3/3) ... [2024-11-08 00:12:35,296 INFO L332 chiAutomizerObserver]: Analyzing ICFG arctan_Pade.c [2024-11-08 00:12:35,341 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:12:35,341 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:12:35,342 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:12:35,342 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:12:35,342 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:12:35,342 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:12:35,342 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:12:35,342 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:12:35,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-11-08 00:12:35,362 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:12:35,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 00:12:35,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:12:35 BoogieIcfgContainer [2024-11-08 00:12:35,371 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:12:35,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:12:35,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:12:35,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:12:35,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:35" (3/4) ... [2024-11-08 00:12:35,375 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 00:12:35,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:12:35,378 INFO L158 Benchmark]: Toolchain (without parser) took 682.02ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 47.2MB in the end (delta: 29.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 00:12:35,380 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:12:35,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.45ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 66.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:12:35,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.58ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:12:35,381 INFO L158 Benchmark]: Boogie Preprocessor took 35.65ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:12:35,381 INFO L158 Benchmark]: RCFGBuilder took 282.98ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 52.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:12:35,382 INFO L158 Benchmark]: BuchiAutomizer took 85.66ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 47.4MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:12:35,382 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 100.7MB. Free memory was 47.4MB in the beginning and 47.2MB in the end (delta: 171.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:12:35,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.45ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 66.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.58ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.65ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 282.98ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 52.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 85.66ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 47.4MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 100.7MB. Free memory was 47.4MB in the beginning and 47.2MB in the end (delta: 171.7kB). 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 00:12:35,419 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