./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:11:24,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:11:24,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:11:24,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:11:24,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:11:24,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:11:24,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:11:24,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:11:24,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:11:24,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:11:24,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:11:24,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:11:24,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:11:24,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:11:24,652 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:11:24,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:11:24,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:11:24,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:11:24,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:11:24,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:11:24,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:11:24,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:11:24,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:11:24,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:11:24,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:11:24,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:11:24,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:11:24,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:11:24,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:11:24,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:11:24,658 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:11:24,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:11:24,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:11:24,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:24,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:11:24,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:11:24,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:11:24,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:11:24,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:11:24,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:11:24,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:11:24,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:11:24,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:11:24,663 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:11:24,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:11:24,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:11:24,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:11:24,899 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:11:24,900 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:11:24,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/output/witness-2.1.yml [2024-09-21 19:11:24,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:11:24,992 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:11:24,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 19:11:26,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:11:26,434 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:11:26,434 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 19:11:26,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0ad83d013/9c005e6dba2f40cf892928ec67f032fa/FLAG6e83a3e41 [2024-09-21 19:11:26,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0ad83d013/9c005e6dba2f40cf892928ec67f032fa [2024-09-21 19:11:26,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:11:26,845 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:11:26,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:26,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:11:26,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:11:26,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:24" (1/2) ... [2024-09-21 19:11:26,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524169fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:26, skipping insertion in model container [2024-09-21 19:11:26,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:24" (1/2) ... [2024-09-21 19:11:26,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59e1d130 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:26, skipping insertion in model container [2024-09-21 19:11:26,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:26" (2/2) ... [2024-09-21 19:11:26,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524169fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:26, skipping insertion in model container [2024-09-21 19:11:26,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:26" (2/2) ... [2024-09-21 19:11:26,871 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:11:26,872 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (c == (20LL) && x == (44100LL) && y == (20LL)) || (c == (46LL) && x == (1168561LL) && y == (46LL)) || (c == (65LL) && x == (4601025LL) && y == (65LL)) || (c == (83LL) && x == (12152196LL) && y == (83LL)) || (c == (42LL) && x == (815409LL) && y == (42LL)) || (c == (9LL) && x == (2025LL) && y == (9LL)) || (c == (10LL) && x == (3025LL) && y == (10LL)) || (c == (49LL) && x == (1500625LL) && y == (49LL)) || (c == (84LL) && x == (12744900LL) && y == (84LL)) || (c == (38LL) && x == (549081LL) && y == (38LL)) || (c == (67LL) && x == (5189284LL) && y == (67LL)) || (c == (5LL) && x == (225LL) && y == (5LL)) || (c == (40LL) && x == (672400LL) && y == (40LL)) || (c == (82LL) && x == (11580409LL) && y == (82LL)) || (c == (25LL) && x == (105625LL) && y == (25LL)) || (c == (64LL) && x == (4326400LL) && y == (64LL)) || (c == (14LL) && x == (11025LL) && y == (14LL)) || (c == (92LL) && x == (18301284LL) && y == (92LL)) || (c == (8LL) && x == (1296LL) && y == (8LL)) || (c == (31LL) && x == (246016LL) && y == (31LL)) || (c == (72LL) && x == (6906384LL) && y == (72LL)) || (c == (16LL) && x == (18496LL) && y == (16LL)) || (c == (35LL) && x == (396900LL) && y == (35LL)) || (c == (45LL) && x == (1071225LL) && y == (45LL)) || (c == (55LL) && x == (2371600LL) && y == (55LL)) || (c == (97LL) && x == (22591009LL) && y == (97LL)) || (c == (23LL) && x == (76176LL) && y == (23LL)) || (c == (69LL) && x == (5832225LL) && y == (69LL)) || (c == (96LL) && x == (21678336LL) && y == (96LL)) || (c == (33LL) && x == (314721LL) && y == (33LL)) || (c == (68LL) && x == (5503716LL) && y == (68LL)) || (c == (79LL) && x == (9985600LL) && y == (79LL)) || (c == (34LL) && x == (354025LL) && y == (34LL)) || (c == (94LL) && x == (19936225LL) && y == (94LL)) || (c == (87LL) && x == (14653584LL) && y == (87LL)) || (c == (51LL) && x == (1758276LL) && y == (51LL)) || (c == (4LL) && x == (100LL) && y == (4LL)) || (c == (43LL) && x == (894916LL) && y == (43LL)) || (c == (58LL) && x == (2927521LL) && y == (58LL)) || (c == (12LL) && x == (6084LL) && y == (12LL)) || (c == (50LL) && x == (1625625LL) && y == (50LL)) || (c == (53LL) && x == (2047761LL) && y == (53LL)) || (c == (73LL) && x == (7295401LL) && y == (73LL)) || (c == (26LL) && x == (123201LL) && y == (26LL)) || (c == (77LL) && x == (9018009LL) && y == (77LL)) || (c == (19LL) && x == (36100LL) && y == (19LL)) || (c == (100LL) && x == (25502500LL) && y == (100LL)) || (c == (71LL) && x == (6533136LL) && y == (71LL)) || (c == (81LL) && x == (11029041LL) && y == (81LL)) || (c == (41LL) && x == (741321LL) && y == (41LL)) || (c == (57LL) && x == (2732409LL) && y == (57LL)) || (c == (28LL) && x == (164836LL) && y == (28LL)) || (c == (48LL) && x == (1382976LL) && y == (48LL)) || (c == (32LL) && x == (278784LL) && y == (32LL)) || (c == (18LL) && x == (29241LL) && y == (18LL)) || (c == (74LL) && x == (7700625LL) && y == (74LL)) || (c == (91LL) && x == (17522596LL) && y == (91LL)) || (c == (61LL) && x == (3575881LL) && y == (61LL)) || (c == (47LL) && x == (1272384LL) && y == (47LL)) || (c == (60LL) && x == (3348900LL) && y == (60LL)) || (c == (15LL) && x == (14400LL) && y == (15LL)) || (c == (39LL) && x == (608400LL) && y == (39LL)) || (c == (36LL) && x == (443556LL) && y == (36LL)) || (c == (66LL) && x == (4888521LL) && y == (66LL)) || (c == (7LL) && x == (784LL) && y == (7LL)) || (c == (21LL) && x == (53361LL) && y == (21LL)) || (c == (95LL) && x == (20793600LL) && y == (95LL)) || (c == (24LL) && x == (90000LL) && y == (24LL)) || (c == (54LL) && x == (2205225LL) && y == (54LL)) || (c == (13LL) && x == (8281LL) && y == (13LL)) || (c == (44LL) && x == (980100LL) && y == (44LL)) || (c == (11LL) && x == (4356LL) && y == (11LL)) || (c == (56LL) && x == (2547216LL) && y == (56LL)) || (c == (1LL) && x == (1LL) && y == (1LL)) || (c == (85LL) && x == (13359025LL) && y == (85LL)) || (c == (0LL) && x == (0LL) && y == (0LL)) || (c == (52LL) && x == (1898884LL) && y == (52LL)) || (c == (17LL) && x == (23409LL) && y == (17LL)) || (c == (63LL) && x == (4064256LL) && y == (63LL)) || (c == (90LL) && x == (16769025LL) && y == (90LL)) || (c == (75LL) && x == (8122500LL) && y == (75LL)) || (c == (59LL) && x == (3132900LL) && y == (59LL)) || (c == (76LL) && x == (8561476LL) && y == (76LL)) || (c == (86LL) && x == (13995081LL) && y == (86LL)) || (c == (99LL) && x == (24502500LL) && y == (99LL)) || (c == (6LL) && x == (441LL) && y == (6LL)) || (c == (37LL) && x == (494209LL) && y == (37LL)) || (c == (89LL) && x == (16040025LL) && y == (89LL)) || (c == (93LL) && x == (19105641LL) && y == (93LL)) || (c == (22LL) && x == (64009LL) && y == (22LL)) || (c == (78LL) && x == (9492561LL) && y == (78LL)) || (c == (2LL) && x == (9LL) && y == (2LL)) || (c == (80LL) && x == (10497600LL) && y == (80LL)) || (c == (29LL) && x == (189225LL) && y == (29LL)) || (c == (27LL) && x == (142884LL) && y == (27LL)) || (c == (98LL) && x == (23532201LL) && y == (98LL)) || (c == (30LL) && x == (216225LL) && y == (30LL)) || (c == (62LL) && x == (3814209LL) && y == (62LL)) || (c == (3LL) && x == (36LL) && y == (3LL)) || (c == (88LL) && x == (15335056LL) && y == (88LL)) || (c == (70LL) && x == (6175225LL) && y == (70LL)) [2024-09-21 19:11:26,872 INFO L1541 ArrayList]: Function contract at [L6]: requires cond == (0) || cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:11:26,872 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || ( esult == (0))) [2024-09-21 19:11:26,872 INFO L1541 ArrayList]: Function contract at [L9]: requires 1, ensures (!(cond == (1)) || (1)) && (!(1) || (1)) [2024-09-21 19:11:26,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:11:27,004 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-09-21 19:11:27,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:27,024 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:11:27,092 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] Start Parsing Global Start Parsing Global [2024-09-21 19:11:27,094 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:11:27,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59e1d130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:27, skipping insertion in model container [2024-09-21 19:11:27,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:27,095 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:11:27,096 INFO L158 Benchmark]: Toolchain (without parser) took 250.87ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 71.1MB in the beginning and 186.6MB in the end (delta: -115.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-21 19:11:27,097 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:27,097 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 144.7MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:27,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.89ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 70.9MB in the beginning and 186.6MB in the end (delta: -115.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-21 19:11:27,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 144.7MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.89ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 70.9MB in the beginning and 186.6MB in the end (delta: -115.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 18]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:11:29,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:11:29,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:11:29,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:11:29,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:11:29,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:11:29,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:11:29,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:11:29,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:11:29,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:11:29,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:11:29,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:11:29,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:11:29,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:11:29,915 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:11:29,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:11:29,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:11:29,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:11:29,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:11:29,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:11:29,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:11:29,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:11:29,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:11:29,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:11:29,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:11:29,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:11:29,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:11:29,925 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:11:29,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:11:29,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:11:29,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:29,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:11:29,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:11:29,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:11:29,926 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:11:29,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:11:29,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:11:29,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:11:29,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:11:29,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:11:29,937 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:11:29,937 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:11:30,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:11:30,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:11:30,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:11:30,457 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:11:30,458 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:11:30,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/output/witness-2.1.yml [2024-09-21 19:11:30,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:11:30,566 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:11:30,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 19:11:32,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:11:32,316 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:11:32,316 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 19:11:32,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d71b38dfd/c415d678e34b44d5b8d879e2e07637b2/FLAG60a1bf990 [2024-09-21 19:11:32,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d71b38dfd/c415d678e34b44d5b8d879e2e07637b2 [2024-09-21 19:11:32,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:11:32,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:11:32,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:32,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:11:32,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:11:32,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:30" (1/2) ... [2024-09-21 19:11:32,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673fb1c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:32, skipping insertion in model container [2024-09-21 19:11:32,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:30" (1/2) ... [2024-09-21 19:11:32,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b4a8e75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:32, skipping insertion in model container [2024-09-21 19:11:32,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:32" (2/2) ... [2024-09-21 19:11:32,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673fb1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:32, skipping insertion in model container [2024-09-21 19:11:32,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:32" (2/2) ... [2024-09-21 19:11:32,366 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:11:32,367 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (c == (20LL) && x == (44100LL) && y == (20LL)) || (c == (46LL) && x == (1168561LL) && y == (46LL)) || (c == (65LL) && x == (4601025LL) && y == (65LL)) || (c == (83LL) && x == (12152196LL) && y == (83LL)) || (c == (42LL) && x == (815409LL) && y == (42LL)) || (c == (9LL) && x == (2025LL) && y == (9LL)) || (c == (10LL) && x == (3025LL) && y == (10LL)) || (c == (49LL) && x == (1500625LL) && y == (49LL)) || (c == (84LL) && x == (12744900LL) && y == (84LL)) || (c == (38LL) && x == (549081LL) && y == (38LL)) || (c == (67LL) && x == (5189284LL) && y == (67LL)) || (c == (5LL) && x == (225LL) && y == (5LL)) || (c == (40LL) && x == (672400LL) && y == (40LL)) || (c == (82LL) && x == (11580409LL) && y == (82LL)) || (c == (25LL) && x == (105625LL) && y == (25LL)) || (c == (64LL) && x == (4326400LL) && y == (64LL)) || (c == (14LL) && x == (11025LL) && y == (14LL)) || (c == (92LL) && x == (18301284LL) && y == (92LL)) || (c == (8LL) && x == (1296LL) && y == (8LL)) || (c == (31LL) && x == (246016LL) && y == (31LL)) || (c == (72LL) && x == (6906384LL) && y == (72LL)) || (c == (16LL) && x == (18496LL) && y == (16LL)) || (c == (35LL) && x == (396900LL) && y == (35LL)) || (c == (45LL) && x == (1071225LL) && y == (45LL)) || (c == (55LL) && x == (2371600LL) && y == (55LL)) || (c == (97LL) && x == (22591009LL) && y == (97LL)) || (c == (23LL) && x == (76176LL) && y == (23LL)) || (c == (69LL) && x == (5832225LL) && y == (69LL)) || (c == (96LL) && x == (21678336LL) && y == (96LL)) || (c == (33LL) && x == (314721LL) && y == (33LL)) || (c == (68LL) && x == (5503716LL) && y == (68LL)) || (c == (79LL) && x == (9985600LL) && y == (79LL)) || (c == (34LL) && x == (354025LL) && y == (34LL)) || (c == (94LL) && x == (19936225LL) && y == (94LL)) || (c == (87LL) && x == (14653584LL) && y == (87LL)) || (c == (51LL) && x == (1758276LL) && y == (51LL)) || (c == (4LL) && x == (100LL) && y == (4LL)) || (c == (43LL) && x == (894916LL) && y == (43LL)) || (c == (58LL) && x == (2927521LL) && y == (58LL)) || (c == (12LL) && x == (6084LL) && y == (12LL)) || (c == (50LL) && x == (1625625LL) && y == (50LL)) || (c == (53LL) && x == (2047761LL) && y == (53LL)) || (c == (73LL) && x == (7295401LL) && y == (73LL)) || (c == (26LL) && x == (123201LL) && y == (26LL)) || (c == (77LL) && x == (9018009LL) && y == (77LL)) || (c == (19LL) && x == (36100LL) && y == (19LL)) || (c == (100LL) && x == (25502500LL) && y == (100LL)) || (c == (71LL) && x == (6533136LL) && y == (71LL)) || (c == (81LL) && x == (11029041LL) && y == (81LL)) || (c == (41LL) && x == (741321LL) && y == (41LL)) || (c == (57LL) && x == (2732409LL) && y == (57LL)) || (c == (28LL) && x == (164836LL) && y == (28LL)) || (c == (48LL) && x == (1382976LL) && y == (48LL)) || (c == (32LL) && x == (278784LL) && y == (32LL)) || (c == (18LL) && x == (29241LL) && y == (18LL)) || (c == (74LL) && x == (7700625LL) && y == (74LL)) || (c == (91LL) && x == (17522596LL) && y == (91LL)) || (c == (61LL) && x == (3575881LL) && y == (61LL)) || (c == (47LL) && x == (1272384LL) && y == (47LL)) || (c == (60LL) && x == (3348900LL) && y == (60LL)) || (c == (15LL) && x == (14400LL) && y == (15LL)) || (c == (39LL) && x == (608400LL) && y == (39LL)) || (c == (36LL) && x == (443556LL) && y == (36LL)) || (c == (66LL) && x == (4888521LL) && y == (66LL)) || (c == (7LL) && x == (784LL) && y == (7LL)) || (c == (21LL) && x == (53361LL) && y == (21LL)) || (c == (95LL) && x == (20793600LL) && y == (95LL)) || (c == (24LL) && x == (90000LL) && y == (24LL)) || (c == (54LL) && x == (2205225LL) && y == (54LL)) || (c == (13LL) && x == (8281LL) && y == (13LL)) || (c == (44LL) && x == (980100LL) && y == (44LL)) || (c == (11LL) && x == (4356LL) && y == (11LL)) || (c == (56LL) && x == (2547216LL) && y == (56LL)) || (c == (1LL) && x == (1LL) && y == (1LL)) || (c == (85LL) && x == (13359025LL) && y == (85LL)) || (c == (0LL) && x == (0LL) && y == (0LL)) || (c == (52LL) && x == (1898884LL) && y == (52LL)) || (c == (17LL) && x == (23409LL) && y == (17LL)) || (c == (63LL) && x == (4064256LL) && y == (63LL)) || (c == (90LL) && x == (16769025LL) && y == (90LL)) || (c == (75LL) && x == (8122500LL) && y == (75LL)) || (c == (59LL) && x == (3132900LL) && y == (59LL)) || (c == (76LL) && x == (8561476LL) && y == (76LL)) || (c == (86LL) && x == (13995081LL) && y == (86LL)) || (c == (99LL) && x == (24502500LL) && y == (99LL)) || (c == (6LL) && x == (441LL) && y == (6LL)) || (c == (37LL) && x == (494209LL) && y == (37LL)) || (c == (89LL) && x == (16040025LL) && y == (89LL)) || (c == (93LL) && x == (19105641LL) && y == (93LL)) || (c == (22LL) && x == (64009LL) && y == (22LL)) || (c == (78LL) && x == (9492561LL) && y == (78LL)) || (c == (2LL) && x == (9LL) && y == (2LL)) || (c == (80LL) && x == (10497600LL) && y == (80LL)) || (c == (29LL) && x == (189225LL) && y == (29LL)) || (c == (27LL) && x == (142884LL) && y == (27LL)) || (c == (98LL) && x == (23532201LL) && y == (98LL)) || (c == (30LL) && x == (216225LL) && y == (30LL)) || (c == (62LL) && x == (3814209LL) && y == (62LL)) || (c == (3LL) && x == (36LL) && y == (3LL)) || (c == (88LL) && x == (15335056LL) && y == (88LL)) || (c == (70LL) && x == (6175225LL) && y == (70LL)) [2024-09-21 19:11:32,368 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || ( esult == (0))) [2024-09-21 19:11:32,368 INFO L1541 ArrayList]: Function contract at [L6]: requires cond == (0) || cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:11:32,368 INFO L1541 ArrayList]: Function contract at [L9]: requires 1, ensures (!(cond == (1)) || (1)) && (!(1) || (1)) [2024-09-21 19:11:32,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:11:32,530 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-09-21 19:11:32,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:32,562 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:11:32,596 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] Start Parsing Global Start Parsing Global [2024-09-21 19:11:32,599 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:11:32,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b4a8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:32, skipping insertion in model container [2024-09-21 19:11:32,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:32,600 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:11:32,602 INFO L158 Benchmark]: Toolchain (without parser) took 259.17ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 57.3MB in the end (delta: -12.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-21 19:11:32,602 INFO L158 Benchmark]: Witness Parser took 3.69ms. Allocated memory is still 62.9MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:32,603 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:32,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.71ms. Allocated memory is still 86.0MB. Free memory was 44.6MB in the beginning and 57.3MB in the end (delta: -12.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-21 19:11:32,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 3.69ms. Allocated memory is still 62.9MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.71ms. Allocated memory is still 86.0MB. Free memory was 44.6MB in the beginning and 57.3MB in the end (delta: -12.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 18]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN