./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.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_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/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_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/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_d72da990-541d-47bd-8ba6-5830a811bf27/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 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:09,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:09,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:08:09,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:09,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:09,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:09,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:09,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:09,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:09,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:09,401 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:09,401 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:09,402 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:09,402 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:09,403 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:09,403 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:09,404 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:09,405 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:09,405 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:09,406 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:09,406 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:09,407 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:09,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:09,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:09,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:09,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:09,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:09,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:09,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:09,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:09,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:09,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:09,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:09,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:09,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:09,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:09,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:09,416 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:09,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:09,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:09,417 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:09,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:09,418 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_d72da990-541d-47bd-8ba6-5830a811bf27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f [2023-11-19 05:08:09,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:09,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:09,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:09,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:09,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:09,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2023-11-19 05:08:12,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:13,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:13,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2023-11-19 05:08:13,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/930e4552a/51428014e1254ae6958ea1d1619dd37d/FLAG8ac909768 [2023-11-19 05:08:13,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/930e4552a/51428014e1254ae6958ea1d1619dd37d [2023-11-19 05:08:13,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:13,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:13,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:13,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:13,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:13,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:13" (1/1) ... [2023-11-19 05:08:13,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3007fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:13, skipping insertion in model container [2023-11-19 05:08:13,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:13" (1/1) ... [2023-11-19 05:08:13,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:13,745 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_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i[4494,4507] [2023-11-19 05:08:13,755 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_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i[4554,4567] [2023-11-19 05:08:14,823 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,824 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,826 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,827 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,831 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,857 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,858 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,860 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,861 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,863 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,864 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,865 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:14,866 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:15,390 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:08:15,392 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:08:15,393 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:08:15,394 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:08:15,396 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:08:15,397 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:08:15,397 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:08:15,436 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:08:15,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:08:15,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:08:15,645 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:08:15,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3eb706b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:15, skipping insertion in model container [2023-11-19 05:08:15,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:15,646 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:15,649 INFO L158 Benchmark]: Toolchain (without parser) took 2324.48ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 119.5MB in the beginning and 178.1MB in the end (delta: -58.6MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-19 05:08:15,651 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:15,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2319.41ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 119.5MB in the beginning and 178.1MB in the end (delta: -58.6MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-19 05:08:15,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2319.41ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 119.5MB in the beginning and 178.1MB in the end (delta: -58.6MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7360]: 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_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/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_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/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_d72da990-541d-47bd-8ba6-5830a811bf27/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 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:18,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:18,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:08:18,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:18,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:18,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:18,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:18,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:18,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:18,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:18,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:18,263 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:18,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:18,265 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:18,265 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:18,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:18,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:18,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:18,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:18,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:18,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:18,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:18,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:18,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:18,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:18,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:18,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:18,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:18,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:18,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:18,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:18,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:18,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:18,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:18,275 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:18,275 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:18,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:18,276 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:18,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:18,277 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_d72da990-541d-47bd-8ba6-5830a811bf27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f [2023-11-19 05:08:18,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:18,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:18,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:18,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:18,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:18,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2023-11-19 05:08:21,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:22,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:22,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2023-11-19 05:08:22,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/d82d81352/d72b73abe3064ec6909bc913fb88f33b/FLAG297767045 [2023-11-19 05:08:22,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72da990-541d-47bd-8ba6-5830a811bf27/bin/utaipan-verify-t7M7D8N6sZ/data/d82d81352/d72b73abe3064ec6909bc913fb88f33b [2023-11-19 05:08:22,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:22,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:22,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:22,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:22,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:22,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:22" (1/1) ... [2023-11-19 05:08:22,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238c5757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:22, skipping insertion in model container [2023-11-19 05:08:22,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:22" (1/1) ... [2023-11-19 05:08:22,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:22,836 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_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i[4494,4507] [2023-11-19 05:08:22,843 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_d72da990-541d-47bd-8ba6-5830a811bf27/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i[4554,4567] [2023-11-19 05:08:23,936 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,940 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,940 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,942 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,943 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,956 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,957 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,958 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,959 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,960 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,961 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,962 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:23,962 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:24,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:08:24,320 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:08:24,321 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:08:24,322 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:08:24,324 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:08:24,324 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:08:24,325 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:08:24,325 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:08:24,326 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:08:24,327 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:08:24,513 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:08:24,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59a4e975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:24, skipping insertion in model container [2023-11-19 05:08:24,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:24,515 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:24,517 INFO L158 Benchmark]: Toolchain (without parser) took 2154.79ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 49.9MB in the beginning and 70.2MB in the end (delta: -20.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:24,518 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:24,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2150.82ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 70.2MB in the end (delta: -20.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:24,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2150.82ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 70.2MB in the end (delta: -20.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7360]: 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