./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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 bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:13,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:14,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:10:14,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:14,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:14,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:14,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:14,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:14,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:14,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:14,110 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:14,111 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:14,112 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:14,115 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:14,116 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:14,116 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:14,118 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:14,123 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:14,123 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:14,124 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:14,125 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:14,125 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:14,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:14,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:14,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:14,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:14,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:14,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:14,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:14,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:14,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:14,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:14,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:14,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:14,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:14,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:14,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:14,134 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:14,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:14,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:14,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:14,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:14,137 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2023-11-19 05:10:14,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:14,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:14,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:14,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:14,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:14,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2023-11-19 05:10:18,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:18,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:18,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2023-11-19 05:10:18,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/cb3dafbe4/b223ab99113043a2a5b424d4527b234e/FLAG5a486e64e [2023-11-19 05:10:18,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/cb3dafbe4/b223ab99113043a2a5b424d4527b234e [2023-11-19 05:10:18,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:18,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:18,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:18,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:18,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:18,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:18" (1/1) ... [2023-11-19 05:10:18,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636ac4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:18, skipping insertion in model container [2023-11-19 05:10:18,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:18" (1/1) ... [2023-11-19 05:10:19,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:19,399 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2023-11-19 05:10:19,409 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2023-11-19 05:10:20,667 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,668 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,669 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,671 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,673 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,704 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,706 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,709 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,710 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,713 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,714 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,715 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:20,716 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:21,424 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:10:21,437 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:10:21,438 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:10:21,440 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:10:21,483 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:10:21,484 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:10:21,485 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:10:21,486 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:10:21,487 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:10:21,488 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:10:21,811 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:10:21,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22cb358b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:21, skipping insertion in model container [2023-11-19 05:10:21,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:21,817 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:10:21,820 INFO L158 Benchmark]: Toolchain (without parser) took 2851.33ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 95.1MB in the beginning and 145.3MB in the end (delta: -50.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-19 05:10:21,821 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:10:21,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2847.56ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.7MB in the beginning and 145.3MB in the end (delta: -50.6MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2023-11-19 05:10:21,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2847.56ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.7MB in the beginning and 145.3MB in the end (delta: -50.6MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7358]: 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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 bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:24,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:24,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:10:24,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:24,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:24,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:24,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:24,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:24,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:24,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:24,677 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:24,678 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:24,678 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:24,680 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:24,680 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:24,680 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:24,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:24,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:24,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:24,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:24,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:24,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:24,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:10:24,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:10:24,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:10:24,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:24,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:24,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:24,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:10:24,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:24,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:24,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:24,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:24,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:24,690 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:10:24,690 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:10:24,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:24,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:24,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:24,692 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2023-11-19 05:10:25,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:25,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:25,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:25,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:25,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:25,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2023-11-19 05:10:28,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:29,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:29,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2023-11-19 05:10:29,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/5e374d5e2/f161511a30d94af6a912d824e0fc693b/FLAG1046b0251 [2023-11-19 05:10:29,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eb7056a-4d9a-42be-94c9-ad6a92282b65/bin/utaipan-verify-t7M7D8N6sZ/data/5e374d5e2/f161511a30d94af6a912d824e0fc693b [2023-11-19 05:10:29,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:29,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:29,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:29,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:29,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:29,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:29" (1/1) ... [2023-11-19 05:10:29,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ca5175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:29, skipping insertion in model container [2023-11-19 05:10:29,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:29" (1/1) ... [2023-11-19 05:10:29,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:29,658 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2023-11-19 05:10:29,670 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_3eb7056a-4d9a-42be-94c9-ad6a92282b65/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2023-11-19 05:10:30,492 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,493 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,493 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,494 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,495 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,514 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,515 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,517 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,519 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,521 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,526 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,527 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,527 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 05:10:30,892 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 05:10:30,894 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 05:10:30,895 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 05:10:30,896 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 05:10:30,898 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 05:10:30,899 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 05:10:30,899 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 05:10:30,900 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 05:10:30,901 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 05:10:30,902 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 05:10:31,146 ERROR L324 MainTranslator]: Incorrect Syntax: Syntax error (declaration problem) in C program: Syntax error (static __thread int tl_last_error = 0;) [2023-11-19 05:10:31,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2223aa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:31, skipping insertion in model container [2023-11-19 05:10:31,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:31,152 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:10:31,156 INFO L158 Benchmark]: Toolchain (without parser) took 1965.73ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 72.9MB in the end (delta: -595.4kB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-19 05:10:31,156 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:10:31,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1962.87ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 72.9MB in the end (delta: -852.2kB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-19 05:10:31,159 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1962.87ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 72.9MB in the end (delta: -852.2kB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 7358]: 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