./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/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 e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:00:34,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:34,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:00:34,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:34,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:34,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:34,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:34,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:34,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:34,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:34,485 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:34,486 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:34,486 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:34,487 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:34,488 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:34,488 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:34,489 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:34,489 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:34,490 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:34,490 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:34,491 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:34,491 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:34,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:34,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:34,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:34,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:34,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:34,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:34,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:34,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:34,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:34,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:34,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:34,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:34,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:34,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:34,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:34,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:34,499 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:34,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:34,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:34,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:34,501 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:34,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:34,502 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2023-11-25 00:00:34,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:34,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:34,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:34,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:34,809 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:34,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2023-11-25 00:00:37,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:38,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:38,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2023-11-25 00:00:38,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/data/a5f92dfb9/080e06730aae4d8491896dd3164b1009/FLAG9ced2a55a [2023-11-25 00:00:38,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/data/a5f92dfb9/080e06730aae4d8491896dd3164b1009 [2023-11-25 00:00:38,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:38,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:38,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:38,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:38,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:38,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:38,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f284d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:38, skipping insertion in model container [2023-11-25 00:00:38,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:38" (1/1) ... [2023-11-25 00:00:38,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:39,099 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2023-11-25 00:00:39,108 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2023-11-25 00:00:40,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,286 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,287 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,288 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,289 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:40,837 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:00:40,838 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:00:40,839 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:00:40,840 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:00:40,842 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:00:40,843 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:00:40,843 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:00:40,844 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:00:40,846 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:00:40,846 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:00:41,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,123 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:41,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:41,282 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2023-11-25 00:00:41,282 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_d4176e92-d9d7-4fe7-8ce6-0a055464548b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2023-11-25 00:00:41,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,329 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,368 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:00:41,369 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:00:41,369 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:00:41,370 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:00:41,439 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:00:41,440 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:00:41,441 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:00:41,441 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:00:41,442 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:00:41,449 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:00:41,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-25 00:00:41,614 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,615 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:00:41,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-25 00:00:41,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:41,982 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,982 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,982 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,983 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,983 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,984 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,984 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,984 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,984 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,985 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,985 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,986 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,986 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,986 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,987 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,987 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,987 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,987 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:00:41,995 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:41,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41 WrapperNode [2023-11-25 00:00:41,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:41,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:41,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:41,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:42,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,252 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-11-25 00:00:42,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:42,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:42,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:42,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:42,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:42,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:42,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:42,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:42,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (1/1) ... [2023-11-25 00:00:42,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:42,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:42,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:42,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-11-25 00:00:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2023-11-25 00:00:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2023-11-25 00:00:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-25 00:00:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-25 00:00:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-25 00:00:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-25 00:00:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:00:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:00:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:00:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:00:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-25 00:00:42,492 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-25 00:00:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:42,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:00:42,492 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:00:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-25 00:00:42,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-25 00:00:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:00:42,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:00:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-25 00:00:42,494 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-25 00:00:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:00:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-25 00:00:42,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-25 00:00:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:00:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-25 00:00:42,495 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-25 00:00:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2023-11-25 00:00:42,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2023-11-25 00:00:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:42,878 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:42,882 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:44,667 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:45,200 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:45,200 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:00:45,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:45 BoogieIcfgContainer [2023-11-25 00:00:45,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:45,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:45,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:45,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:45,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:38" (1/3) ... [2023-11-25 00:00:45,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e8cd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:45, skipping insertion in model container [2023-11-25 00:00:45,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:41" (2/3) ... [2023-11-25 00:00:45,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e8cd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:45, skipping insertion in model container [2023-11-25 00:00:45,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:45" (3/3) ... [2023-11-25 00:00:45,220 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2023-11-25 00:00:45,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:45,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:00:45,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:00:45,333 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;@3c5ccc02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:00:45,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:00:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-25 00:00:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-25 00:00:45,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:45,365 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:45,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:45,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:45,374 INFO L85 PathProgramCache]: Analyzing trace with hash -801733162, now seen corresponding path program 1 times [2023-11-25 00:00:45,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:45,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886465691] [2023-11-25 00:00:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-25 00:01:09,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:09,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886465691] [2023-11-25 00:01:09,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886465691] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:01:09,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218058059] [2023-11-25 00:01:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:09,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:09,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:09,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4176e92-d9d7-4fe7-8ce6-0a055464548b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:10,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 141 conjunts are in the unsatisfiable core [2023-11-25 00:01:10,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:11,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-25 00:01:11,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:01:14,605 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2023-11-25 00:01:14,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 39 [2023-11-25 00:01:14,705 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-25 00:01:14,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29