./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91 --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 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:01,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:01,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:07:01,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:01,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:01,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:01,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:01,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:01,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:01,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:01,698 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:01,699 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:01,700 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:01,702 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:01,702 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:01,703 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:01,703 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:01,704 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:01,705 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:01,705 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:01,706 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:01,707 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:01,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:01,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:01,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:01,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:01,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:01,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:01,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:01,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:01,713 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:01,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:01,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:01,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:01,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:01,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:01,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:01,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:01,716 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:01,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:01,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:01,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:01,718 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:01,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:01,719 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_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 [2023-11-25 00:07:02,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:02,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:02,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:02,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:02,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:02,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-25 00:07:05,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:05,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:05,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-25 00:07:05,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/data/9c74d23b1/81b84ff37ee341d0b034dd07bdc117a5/FLAG7f73e9db5 [2023-11-25 00:07:05,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/data/9c74d23b1/81b84ff37ee341d0b034dd07bdc117a5 [2023-11-25 00:07:05,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:05,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:05,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:05,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:05,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:05,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:05" (1/1) ... [2023-11-25 00:07:05,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c39729e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:05, skipping insertion in model container [2023-11-25 00:07:05,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:05" (1/1) ... [2023-11-25 00:07:05,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:06,175 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_c22689d4-82a5-4db4-ad0d-72b72badae57/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2023-11-25 00:07:06,183 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_c22689d4-82a5-4db4-ad0d-72b72badae57/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2023-11-25 00:07:07,163 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,165 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,166 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,181 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,182 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,188 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,641 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:07:07,645 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:07:07,646 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:07:07,648 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:07:07,651 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:07:07,651 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:07:07,652 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:07:07,653 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:07:07,653 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:07:07,654 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:07:07,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:07,872 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:07:07,886 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_c22689d4-82a5-4db4-ad0d-72b72badae57/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2023-11-25 00:07:07,887 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_c22689d4-82a5-4db4-ad0d-72b72badae57/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2023-11-25 00:07:07,927 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,928 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,929 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,929 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,940 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,941 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,942 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,944 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,945 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,945 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:07:07,987 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:07:07,988 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:07:07,996 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:07:07,997 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:07:07,999 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:07:08,000 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:07:08,001 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:07:08,002 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:07:08,003 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:07:08,003 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:07:08,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:08,398 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,399 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,399 WARN L675 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,400 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,400 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,400 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,401 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,402 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,402 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,402 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,402 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,403 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,403 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,403 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,404 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,404 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,404 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:08,413 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:07:08,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08 WrapperNode [2023-11-25 00:07:08,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:08,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:08,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:07:08,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:07:08,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,556 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-11-25 00:07:08,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:08,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:07:08,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:07:08,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:07:08,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:07:08,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:07:08,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:07:08,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:07:08,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:08,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:08,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:07:08,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:07:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-25 00:07:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-25 00:07:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-25 00:07:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-25 00:07:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:07:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:07:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:07:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:07:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:07:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:07:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:07:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:07:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:07:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:07:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-25 00:07:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-25 00:07:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:07:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:07:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:07:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-25 00:07:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-25 00:07:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-25 00:07:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-25 00:07:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:07:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:07:09,033 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:07:09,035 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:07:09,211 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:09,354 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:09,355 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:07:09,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:09 BoogieIcfgContainer [2023-11-25 00:07:09,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:09,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:09,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:09,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:09,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:05" (1/3) ... [2023-11-25 00:07:09,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a696b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:09, skipping insertion in model container [2023-11-25 00:07:09,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08" (2/3) ... [2023-11-25 00:07:09,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a696b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:09, skipping insertion in model container [2023-11-25 00:07:09,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:09" (3/3) ... [2023-11-25 00:07:09,367 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2023-11-25 00:07:09,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:09,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:07:09,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:09,450 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49cd4d40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:09,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:07:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:07:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-25 00:07:09,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:09,469 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:09,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:09,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:09,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1727365059, now seen corresponding path program 1 times [2023-11-25 00:07:09,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:09,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503253469] [2023-11-25 00:07:09,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:07:10,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:07:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:07:10,317 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:07:10,319 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:07:10,320 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:07:10,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:07:10,330 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:07:10,341 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:07:10,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-25 00:07:10,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-25 00:07:10,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-25 00:07:10,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-25 00:07:10,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-25 00:07:10,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-25 00:07:10,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-25 00:07:10,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret655 [2023-11-25 00:07:10,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:07:10 BoogieIcfgContainer [2023-11-25 00:07:10,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:07:10,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:07:10,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:07:10,405 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:07:10,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:09" (3/4) ... [2023-11-25 00:07:10,407 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-25 00:07:10,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-25 00:07:10,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-25 00:07:10,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-25 00:07:10,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-25 00:07:10,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-25 00:07:10,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-25 00:07:10,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-25 00:07:10,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret655 [2023-11-25 00:07:10,500 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:07:10,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:07:10,505 INFO L158 Benchmark]: Toolchain (without parser) took 4713.47ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 90.0MB in the beginning and 105.1MB in the end (delta: -15.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,510 INFO L158 Benchmark]: CDTParser took 2.17ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:10,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2619.03ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 90.0MB in the beginning and 132.2MB in the end (delta: -42.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.97ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,511 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 125.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,511 INFO L158 Benchmark]: RCFGBuilder took 752.78ms. Allocated memory is still 184.5MB. Free memory was 125.0MB in the beginning and 98.7MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,512 INFO L158 Benchmark]: TraceAbstraction took 1042.55ms. Allocated memory is still 184.5MB. Free memory was 97.7MB in the beginning and 108.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:10,512 INFO L158 Benchmark]: Witness Printer took 99.77ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.17ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2619.03ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 90.0MB in the beginning and 132.2MB in the end (delta: -42.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.97ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 128.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 125.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.78ms. Allocated memory is still 184.5MB. Free memory was 125.0MB in the beginning and 98.7MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1042.55ms. Allocated memory is still 184.5MB. Free memory was 97.7MB in the beginning and 108.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.77ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret655 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret655 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7252] CALL aws_string_bytes_harness() [L7248] CALL, EXPR ensure_string_is_allocated_nondet_length() [L6827-L6829] CALL, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6833] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}] [L266] return __VERIFIER_nondet_ulong(); [L6833] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=18446744073709551598, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6833] size_t len = nondet_uint64_t(); [L6834] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) [L6834] RET assume_abort_if_not(len < max_size) VAL [\old(max_size)=18446744073709551598, len=0, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6835] CALL, EXPR ensure_string_is_allocated(len) [L6839] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}] [L6915-L6917] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) [L6915-L6917] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}, size=17] [L6918] return malloc(size); [L6839] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}] [L6839] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6842] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}] [L261] return __VERIFIER_nondet_bool(); [L6842] RET, EXPR nondet_bool() VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6845] *(size_t *)(&str->len) = len [L6846] *(uint8_t *)&str->bytes[len] = '\0' [L6847] return str; [L6835] RET, EXPR ensure_string_is_allocated(len) [L6835] return ensure_string_is_allocated(len); [L6827-L6829] RET, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6827-L6829] return ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)); [L7248] RET, EXPR ensure_string_is_allocated_nondet_length() [L7248] struct aws_string *str = ensure_string_is_allocated_nondet_length(); [L7249] CALL, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6282] CALL, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6294] EXPR str->len [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6294] EXPR str->len [L6294] EXPR str->bytes[str->len] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6294] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L6282] RET, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6282] CALL assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) [L6282] RET assume_abort_if_not((aws_string_is_valid(str))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6283] return str->bytes; [L7249] RET, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L7249] CALL __VERIFIER_assert(!(aws_string_bytes(str) == str->bytes)) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-25 00:07:10,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c22689d4-82a5-4db4-ad0d-72b72badae57/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE