./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_front_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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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 f3fe3cb34379eae79cebbb54b4c78cc48acd108a8b9278d58db57418db83cfb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:43,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:43,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:08:43,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:43,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:43,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:43,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:43,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:43,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:43,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:43,936 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:43,937 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:43,937 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:43,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:43,939 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:43,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:43,941 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:43,941 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:43,942 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:43,942 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:43,943 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:43,944 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:43,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:43,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:43,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:43,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:43,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:43,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:43,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:43,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:43,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:43,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:43,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:43,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:43,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:43,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:43,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:43,952 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:43,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:43,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:43,953 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:43,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:43,954 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3fe3cb34379eae79cebbb54b4c78cc48acd108a8b9278d58db57418db83cfb2 [2023-11-19 05:08:44,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:44,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:44,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:44,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:44,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:44,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i [2023-11-19 05:08:47,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:48,050 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:48,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i [2023-11-19 05:08:48,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/44b141727/72f6e09f2db1451ba8b4593cb5d5c6d5/FLAG48a921e50 [2023-11-19 05:08:48,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/44b141727/72f6e09f2db1451ba8b4593cb5d5c6d5 [2023-11-19 05:08:48,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:48,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:48,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:48,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:48,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:48,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3918d33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48, skipping insertion in model container [2023-11-19 05:08:48,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:48,586 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i[4495,4508] [2023-11-19 05:08:48,596 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i[4555,4568] [2023-11-19 05:08:49,501 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,503 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,503 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,504 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,507 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,531 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,532 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,535 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,536 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,538 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,539 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,540 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,541 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:49,907 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:08:49,908 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:08:49,910 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:08:49,911 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:08:49,913 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:08:49,914 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:08:49,915 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:08:49,915 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:08:49,916 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:08:49,917 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:08:50,161 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:08:50,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48439ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:50, skipping insertion in model container [2023-11-19 05:08:50,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:50,168 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:50,170 INFO L158 Benchmark]: Toolchain (without parser) took 2062.03ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 87.5MB in the beginning and 126.1MB in the end (delta: -38.6MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 05:08:50,171 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 88.9MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:50,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2057.27ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 87.3MB in the beginning and 126.1MB in the end (delta: -38.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 05:08:50,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 88.9MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2057.27ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 87.3MB in the beginning and 126.1MB in the end (delta: -38.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7326]: 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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 f3fe3cb34379eae79cebbb54b4c78cc48acd108a8b9278d58db57418db83cfb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:52,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:52,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:08:52,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:52,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:52,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:52,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:52,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:52,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:52,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:52,819 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:52,819 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:52,820 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:52,822 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:52,822 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:52,823 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:52,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:52,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:52,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:52,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:52,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:52,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:52,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:52,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:52,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:52,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:52,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:52,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:52,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:52,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:52,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:52,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:52,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:52,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:52,835 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:52,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:52,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:52,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:52,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:52,837 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3fe3cb34379eae79cebbb54b4c78cc48acd108a8b9278d58db57418db83cfb2 [2023-11-19 05:08:53,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:53,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:53,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:53,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:53,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:53,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i [2023-11-19 05:08:56,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:57,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:57,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i [2023-11-19 05:08:57,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/ad4fef2e4/d57ffa2ff7894742bc0817ecabfa027e/FLAG64a978135 [2023-11-19 05:08:57,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6c73631-e4a7-4d02-8eb3-2507110e3f73/bin/utaipan-verify-t7M7D8N6sZ/data/ad4fef2e4/d57ffa2ff7894742bc0817ecabfa027e [2023-11-19 05:08:57,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:57,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:57,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:57,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:57,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:57,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:57" (1/1) ... [2023-11-19 05:08:57,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b392a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:57, skipping insertion in model container [2023-11-19 05:08:57,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:57" (1/1) ... [2023-11-19 05:08:57,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:57,628 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i[4495,4508] [2023-11-19 05:08:57,637 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_b6c73631-e4a7-4d02-8eb3-2507110e3f73/sv-benchmarks/c/aws-c-common/aws_linked_list_front_harness_negated.i[4555,4568] [2023-11-19 05:08:58,549 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,550 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,551 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,553 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,554 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,592 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,609 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,612 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,613 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,615 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,616 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,617 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,620 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:08:58,980 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:08:58,982 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:08:58,983 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:08:58,984 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:08:58,986 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:08:58,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:08:58,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:08:58,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:08:58,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:08:58,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:08:59,148 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:08:59,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@217cf4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:59, skipping insertion in model container [2023-11-19 05:08:59,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:59,150 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:59,152 INFO L158 Benchmark]: Toolchain (without parser) took 1974.26ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 49.4MB in the end (delta: -826.1kB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-19 05:08:59,153 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:59,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1968.12ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 48.3MB in the beginning and 49.4MB in the end (delta: -1.0MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-19 05:08:59,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1968.12ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 48.3MB in the beginning and 49.4MB in the end (delta: -1.0MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7326]: 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