./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ccd2e75f1b2a9cecaada969b4778eb90a0d6881f15b2bce2ef357d2417d1730 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:14:00,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:14:00,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:14:00,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:14:00,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:14:00,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:14:00,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:14:00,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:14:00,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:14:00,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:14:00,366 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:14:00,367 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:14:00,367 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:14:00,368 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:14:00,368 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:14:00,369 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:14:00,369 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:14:00,369 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:14:00,370 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:14:00,370 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:14:00,371 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:14:00,372 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:14:00,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:14:00,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:14:00,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:14:00,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:14:00,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:14:00,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:14:00,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:14:00,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:14:00,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:14:00,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:14:00,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:14:00,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:00,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:14:00,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:14:00,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:14:00,378 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:14:00,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:14:00,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:14:00,378 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:14:00,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:14:00,379 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ccd2e75f1b2a9cecaada969b4778eb90a0d6881f15b2bce2ef357d2417d1730 [2023-11-19 04:14:00,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:14:00,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:14:00,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:14:00,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:14:00,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:14:00,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i [2023-11-19 04:14:03,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:14:04,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:14:04,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i [2023-11-19 04:14:04,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/fa35a969c/0e449c9b7f554731b50774da36d2d8a5/FLAG37f5db3f3 [2023-11-19 04:14:04,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/fa35a969c/0e449c9b7f554731b50774da36d2d8a5 [2023-11-19 04:14:04,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:14:04,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:14:04,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:04,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:14:04,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:14:04,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:04" (1/1) ... [2023-11-19 04:14:04,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ef4d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:04, skipping insertion in model container [2023-11-19 04:14:04,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:04" (1/1) ... [2023-11-19 04:14:04,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:14:04,990 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i[4503,4516] [2023-11-19 04:14:04,998 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i[4563,4576] [2023-11-19 04:14:06,313 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,314 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,315 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,316 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,317 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,332 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,332 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,335 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,336 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:06,875 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 04:14:06,876 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 04:14:06,878 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 04:14:06,879 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 04:14:06,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 04:14:06,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 04:14:06,882 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 04:14:06,883 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 04:14:06,884 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 04:14:06,884 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 04:14:07,241 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 04:14:07,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18f313e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:07, skipping insertion in model container [2023-11-19 04:14:07,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:07,243 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:14:07,245 INFO L158 Benchmark]: Toolchain (without parser) took 2663.28ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 139.3kB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-19 04:14:07,245 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:14:07,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2660.91ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 139.3kB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-19 04:14:07,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2660.91ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 139.3kB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7279]: Incorrect Syntax Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) 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: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ccd2e75f1b2a9cecaada969b4778eb90a0d6881f15b2bce2ef357d2417d1730 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:14:09,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:14:09,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 04:14:09,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:14:09,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:14:09,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:14:09,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:14:09,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:14:09,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:14:09,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:14:09,894 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:14:09,895 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:14:09,895 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:14:09,895 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:14:09,896 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:14:09,896 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:14:09,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:14:09,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:14:09,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:14:09,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:14:09,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:14:09,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:14:09,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:14:09,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:14:09,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:14:09,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:14:09,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:14:09,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:14:09,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:14:09,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:14:09,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:09,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:14:09,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:14:09,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:14:09,905 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:14:09,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:14:09,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:14:09,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:14:09,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:14:09,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ccd2e75f1b2a9cecaada969b4778eb90a0d6881f15b2bce2ef357d2417d1730 [2023-11-19 04:14:10,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:14:10,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:14:10,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:14:10,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:14:10,370 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:14:10,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i [2023-11-19 04:14:13,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:14:14,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:14:14,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i [2023-11-19 04:14:14,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/69b242b80/c15920ad46354e0b9c1358b095eb71f7/FLAGafd980d3a [2023-11-19 04:14:14,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/bin/utaipan-verify-t7M7D8N6sZ/data/69b242b80/c15920ad46354e0b9c1358b095eb71f7 [2023-11-19 04:14:14,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:14:14,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:14:14,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:14,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:14:14,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:14:14,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:14" (1/1) ... [2023-11-19 04:14:14,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a23e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:14, skipping insertion in model container [2023-11-19 04:14:14,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:14" (1/1) ... [2023-11-19 04:14:14,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:14:14,725 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i[4503,4516] [2023-11-19 04:14:14,735 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bad36c7-8f13-4c1f-8ad9-d5803d83ba89/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness_negated.i[4563,4576] [2023-11-19 04:14:15,943 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,946 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,947 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,948 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,949 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,966 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,969 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,973 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:15,974 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:14:16,638 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 04:14:16,640 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 04:14:16,642 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 04:14:16,646 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 04:14:16,647 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 04:14:16,648 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 04:14:16,651 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 04:14:16,652 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 04:14:16,654 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 04:14:16,655 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 04:14:16,891 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 04:14:16,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e709933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:16, skipping insertion in model container [2023-11-19 04:14:16,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:16,893 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:14:16,895 INFO L158 Benchmark]: Toolchain (without parser) took 2635.11ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 66.6MB in the end (delta: -14.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-19 04:14:16,896 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 106.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:14:16,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2632.60ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 51.8MB in the beginning and 66.6MB in the end (delta: -14.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-19 04:14:16,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 106.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2632.60ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 51.8MB in the beginning and 66.6MB in the end (delta: -14.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7279]: Incorrect Syntax Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) 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