./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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 c9366fdd5d21c350c15a66da5c847539e77b568b4d6276b0911cc19e72422513 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:11,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:11,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:11,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:11,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:11,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:11,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:11,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:11,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:11,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:11,873 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:11,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:11,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:11,877 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:11,879 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:11,880 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:11,880 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:11,881 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:11,881 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:11,882 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:11,883 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:11,884 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:11,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:11,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:11,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:11,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:11,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:11,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:11,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:11,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:11,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:11,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:11,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:11,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:11,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:11,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:11,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:11,894 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:11,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:11,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:11,895 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:11,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:11,896 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9366fdd5d21c350c15a66da5c847539e77b568b4d6276b0911cc19e72422513 [2023-11-19 05:21:12,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:12,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:12,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:12,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:12,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:12,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i [2023-11-19 05:21:15,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:16,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:16,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i [2023-11-19 05:21:16,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/cadb53589/bd5181969d23405e84baa7623dbe690a/FLAG3df274364 [2023-11-19 05:21:16,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/cadb53589/bd5181969d23405e84baa7623dbe690a [2023-11-19 05:21:16,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:16,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:16,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:16,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:16,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:16,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:16" (1/1) ... [2023-11-19 05:21:16,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de94961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:16, skipping insertion in model container [2023-11-19 05:21:16,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:16" (1/1) ... [2023-11-19 05:21:16,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:17,077 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i[4494,4507] [2023-11-19 05:21:17,087 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i[4554,4567] [2023-11-19 05:21:18,435 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,436 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,437 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,438 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,440 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,459 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,460 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,463 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,464 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,467 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,468 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,469 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:18,470 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:19,015 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:21:19,016 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:21:19,018 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:21:19,020 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:21:19,021 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:21:19,022 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:21:19,023 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:21:19,024 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:21:19,025 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:21:19,026 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:21:19,211 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:21:19,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a33358f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:19, skipping insertion in model container [2023-11-19 05:21:19,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:19,213 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:21:19,215 INFO L158 Benchmark]: Toolchain (without parser) took 2661.36ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 78.4MB in the beginning and 104.7MB in the end (delta: -26.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-19 05:21:19,216 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:19,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2655.99ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 78.4MB in the beginning and 104.7MB in the end (delta: -26.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-19 05:21:19,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2655.99ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 78.4MB in the beginning and 104.7MB in the end (delta: -26.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7328]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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 c9366fdd5d21c350c15a66da5c847539e77b568b4d6276b0911cc19e72422513 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:21,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:22,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:21:22,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:22,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:22,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:22,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:22,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:22,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:22,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:22,081 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:22,082 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:22,083 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:22,085 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:22,086 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:22,086 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:22,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:22,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:22,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:22,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:22,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:22,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:22,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:21:22,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:21:22,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:21:22,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:22,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:22,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:22,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:21:22,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:22,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:22,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:22,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:22,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:22,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:21:22,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:22,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:22,101 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:22,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:22,102 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9366fdd5d21c350c15a66da5c847539e77b568b4d6276b0911cc19e72422513 [2023-11-19 05:21:22,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:22,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:22,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:22,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:22,679 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:22,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i [2023-11-19 05:21:26,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:26,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:26,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i [2023-11-19 05:21:26,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/202b4ed26/ff0227d66f6c4a7da3b5e8c38768846e/FLAGec0e7cc42 [2023-11-19 05:21:26,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4feee3-a352-4b82-b4c8-cf426eb107ee/bin/utaipan-verify-t7M7D8N6sZ/data/202b4ed26/ff0227d66f6c4a7da3b5e8c38768846e [2023-11-19 05:21:27,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:27,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:27,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:27,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:27,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:27,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:26" (1/1) ... [2023-11-19 05:21:27,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d991b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:27, skipping insertion in model container [2023-11-19 05:21:27,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:26" (1/1) ... [2023-11-19 05:21:27,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:27,436 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i[4494,4507] [2023-11-19 05:21:27,447 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_fe4feee3-a352-4b82-b4c8-cf426eb107ee/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness_negated.i[4554,4567] [2023-11-19 05:21:28,357 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,358 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,358 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,359 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,361 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,374 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,375 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,378 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,378 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,381 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,382 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,383 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,383 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:21:28,747 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:21:28,749 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:21:28,751 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:21:28,752 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:21:28,754 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:21:28,755 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:21:28,756 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:21:28,757 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:21:28,758 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:21:28,759 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:21:28,961 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:21:28,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25a2a1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:28, skipping insertion in model container [2023-11-19 05:21:28,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:28,963 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:21:28,966 INFO L158 Benchmark]: Toolchain (without parser) took 1962.98ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 42.4MB in the end (delta: 24.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 05:21:28,966 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:28,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1960.27ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 42.8MB in the end (delta: 23.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 05:21:28,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1960.27ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 42.8MB in the end (delta: 23.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7328]: 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