./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc 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/ldv-regression/nested_structure_ptr-2.i -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 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:27:39,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:27:40,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:27:40,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:27:40,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:27:40,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:27:40,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:27:40,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:27:40,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:27:40,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:27:40,034 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:27:40,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:27:40,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:27:40,034 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:27:40,035 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:27:40,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:27:40,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:27:40,036 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:27:40,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:27:40,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:27:40,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:27:40,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:27:40,037 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:27:40,037 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 -> 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 [2025-02-06 19:27:40,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:27:40,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:27:40,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:27:40,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:27:40,387 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:27:40,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2025-02-06 19:27:41,544 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa86dcaaa/a57917a42308486a97dcfb5f1cf1839b/FLAG5f7accd5a [2025-02-06 19:27:41,772 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:27:41,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2025-02-06 19:27:41,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa86dcaaa/a57917a42308486a97dcfb5f1cf1839b/FLAG5f7accd5a [2025-02-06 19:27:42,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa86dcaaa/a57917a42308486a97dcfb5f1cf1839b [2025-02-06 19:27:42,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:27:42,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:27:42,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:27:42,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:27:42,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:27:42,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a3089c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42, skipping insertion in model container [2025-02-06 19:27:42,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:27:42,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:27:42,256 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:27:42,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:27:42,285 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:27:42,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42 WrapperNode [2025-02-06 19:27:42,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:27:42,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:27:42,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:27:42,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:27:42,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,308 INFO L138 Inliner]: procedures = 18, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2025-02-06 19:27:42,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:27:42,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:27:42,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:27:42,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:27:42,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,327 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 3, 4, 4]. 31 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 1, 2, 2]. The 1 writes are split as follows [0, 1, 0, 0]. [2025-02-06 19:27:42,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,336 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:27:42,340 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:27:42,340 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:27:42,340 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:27:42,341 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (1/1) ... [2025-02-06 19:27:42,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:27:42,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:27:42,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:27:42,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 19:27:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:27:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 19:27:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:27:42,453 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:27:42,455 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:27:42,522 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L40: call ULTIMATE.dealloc(main_~#im~0#1.base, main_~#im~0#1.offset);havoc main_~#im~0#1.base, main_~#im~0#1.offset;call ULTIMATE.dealloc(main_~#inner~0#1.base, main_~#inner~0#1.offset);havoc main_~#inner~0#1.base, main_~#inner~0#1.offset;call ULTIMATE.dealloc(main_~#good~0#1.base, main_~#good~0#1.offset);havoc main_~#good~0#1.base, main_~#good~0#1.offset; [2025-02-06 19:27:42,530 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-02-06 19:27:42,530 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:27:42,535 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:27:42,536 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:27:42,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:27:42 BoogieIcfgContainer [2025-02-06 19:27:42,536 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:27:42,537 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:27:42,537 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:27:42,540 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:27:42,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:27:42,541 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:27:42" (1/3) ... [2025-02-06 19:27:42,542 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314690d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:27:42, skipping insertion in model container [2025-02-06 19:27:42,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:27:42,542 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:27:42" (2/3) ... [2025-02-06 19:27:42,542 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314690d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:27:42, skipping insertion in model container [2025-02-06 19:27:42,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:27:42,542 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:27:42" (3/3) ... [2025-02-06 19:27:42,543 INFO L363 chiAutomizerObserver]: Analyzing ICFG nested_structure_ptr-2.i [2025-02-06 19:27:42,582 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:27:42,582 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:27:42,582 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:27:42,582 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:27:42,582 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:27:42,582 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:27:42,582 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:27:42,582 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:27:42,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:27:42,598 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:27:42,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:27:42,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:27:42 BoogieIcfgContainer [2025-02-06 19:27:42,605 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:27:42,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:27:42,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:27:42,606 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:27:42,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:27:42" (3/4) ... [2025-02-06 19:27:42,609 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:27:42,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:27:42,610 INFO L158 Benchmark]: Toolchain (without parser) took 471.56ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 73.5MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:27:42,611 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:27:42,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 94.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:27:42,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.04ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.3MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:27:42,612 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:27:42,614 INFO L158 Benchmark]: IcfgBuilder took 196.36ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:27:42,614 INFO L158 Benchmark]: BuchiAutomizer took 68.54ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:27:42,614 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.5MB in the end (delta: 890.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:27:42,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 94.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.04ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.3MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 196.36ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 68.54ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.5MB in the end (delta: 890.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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! [2025-02-06 19:27:42,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE