./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX --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 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:17,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:18,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:42:18,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:18,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:18,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:18,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:18,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:18,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:18,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:18,084 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:18,085 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:18,085 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:18,087 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:42:18,088 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:18,088 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:18,089 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:42:18,090 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:42:18,090 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:18,091 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:42:18,093 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:42:18,094 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:42:18,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:18,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:18,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:42:18,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:18,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:18,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:18,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:18,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:18,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:18,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:18,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:18,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:18,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:18,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:18,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:18,103 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:42:18,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:42:18,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:18,104 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:18,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:18,105 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2023-11-12 00:42:18,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:18,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:18,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:18,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:18,474 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:18,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-12 00:42:22,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:22,815 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:22,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-12 00:42:22,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/data/7b8730665/e812bc6e78604b6491228e149e378105/FLAG6d39c732a [2023-11-12 00:42:22,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/data/7b8730665/e812bc6e78604b6491228e149e378105 [2023-11-12 00:42:22,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:22,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:22,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:22,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:22,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:22,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:22" (1/1) ... [2023-11-12 00:42:22,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5345d3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:22, skipping insertion in model container [2023-11-12 00:42:22,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:22" (1/1) ... [2023-11-12 00:42:23,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:23,419 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-12 00:42:23,430 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-12 00:42:24,908 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,909 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,911 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,920 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,921 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,942 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,943 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,947 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:24,948 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:25,622 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:42:25,624 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:42:25,625 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:42:25,627 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:42:25,630 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:42:25,631 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:42:25,632 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:42:25,633 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:42:25,687 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:42:25,688 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:42:26,146 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,147 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:26,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:26,362 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-12 00:42:26,365 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_23df42af-33b0-4f4b-9221-e9040ccd23a2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-12 00:42:26,433 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,434 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,435 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,435 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,436 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,446 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,447 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,449 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,449 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,498 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:42:26,500 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:42:26,501 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:42:26,502 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:42:26,504 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:42:26,505 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:42:26,505 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:42:26,506 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:42:26,507 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:42:26,508 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:42:26,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-12 00:42:26,624 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,625 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:42:26,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-12 00:42:26,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:27,034 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,034 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,035 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,035 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,036 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,036 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,037 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,037 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,037 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,038 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,038 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,039 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,040 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,040 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,040 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,043 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,043 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,043 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:42:27,054 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:27,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27 WrapperNode [2023-11-12 00:42:27,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:27,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:27,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:27,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:27,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,357 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-11-12 00:42:27,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:27,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:27,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:27,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:27,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:27,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:27,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:27,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:27,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (1/1) ... [2023-11-12 00:42:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:27,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:27,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:27,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-11-12 00:42:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-12 00:42:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-12 00:42:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2023-11-12 00:42:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2023-11-12 00:42:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:42:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:42:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:42:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:42:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:42:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:42:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:42:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:42:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-12 00:42:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-12 00:42:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:42:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:42:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-12 00:42:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-12 00:42:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-12 00:42:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-12 00:42:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:42:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 00:42:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 00:42:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:42:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:42:28,140 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:28,143 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:30,312 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:30,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:30,921 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:42:30,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:30 BoogieIcfgContainer [2023-11-12 00:42:30,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:30,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:30,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:30,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:30,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:22" (1/3) ... [2023-11-12 00:42:30,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d4638f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:30, skipping insertion in model container [2023-11-12 00:42:30,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:27" (2/3) ... [2023-11-12 00:42:30,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d4638f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:30, skipping insertion in model container [2023-11-12 00:42:30,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:30" (3/3) ... [2023-11-12 00:42:30,938 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2023-11-12 00:42:30,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:30,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:31,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:31,063 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;@787de87a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:31,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:42:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-12 00:42:31,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:31,089 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] [2023-11-12 00:42:31,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:31,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1440680096, now seen corresponding path program 1 times [2023-11-12 00:42:31,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:31,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264662851] [2023-11-12 00:42:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-12 00:42:55,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264662851] [2023-11-12 00:42:55,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264662851] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:55,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87582904] [2023-11-12 00:42:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:55,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:55,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23df42af-33b0-4f4b-9221-e9040ccd23a2/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:42:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 135 conjunts are in the unsatisfiable core [2023-11-12 00:42:55,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:56,476 INFO L351 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 [2023-11-12 00:42:56,489 INFO L351 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 [2023-11-12 00:42:59,975 INFO L322 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2023-11-12 00:42:59,977 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2023-11-12 00:43:00,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:43:00,042 INFO L322 Elim1Store]: treesize reduction 37, result has 33.9 percent of original size [2023-11-12 00:43:00,043 INFO L351 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 2 case distinctions, treesize of input 37 treesize of output 34