./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 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh --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 0.2.4-dev-0e0057c [2023-12-02 15:01:58,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:01:58,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:01:58,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:01:58,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:01:58,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:01:58,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:01:58,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:01:58,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:01:58,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:01:58,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:01:58,600 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:01:58,601 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:01:58,601 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:01:58,602 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:01:58,602 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:01:58,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:01:58,603 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:01:58,604 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:01:58,604 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:01:58,605 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:01:58,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:01:58,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:01:58,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:01:58,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:01:58,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:01:58,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:01:58,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:01:58,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:01:58,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:01:58,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:01:58,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:01:58,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:01:58,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:01:58,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:58,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:01:58,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:01:58,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:01:58,620 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:01:58,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:01:58,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:01:58,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:01:58,621 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:01:58,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:01:58,621 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2023-12-02 15:01:58,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:01:58,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:01:58,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:01:58,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:01:58,855 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:01:58,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-12-02 15:02:01,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:02:02,001 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:02:02,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-12-02 15:02:02,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/data/263237e28/fc36e9a0cf624ae7899723a336d96f42/FLAG3d0eb63e9 [2023-12-02 15:02:02,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/data/263237e28/fc36e9a0cf624ae7899723a336d96f42 [2023-12-02 15:02:02,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:02:02,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:02:02,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:02,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:02:02,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:02:02,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:02" (1/1) ... [2023-12-02 15:02:02,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76473bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:02, skipping insertion in model container [2023-12-02 15:02:02,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:02" (1/1) ... [2023-12-02 15:02:02,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:02:02,376 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-12-02 15:02:02,383 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-12-02 15:02:03,482 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,483 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,484 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,485 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,487 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,504 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,504 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,507 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:03,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,043 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:02:04,044 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:02:04,045 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:02:04,046 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:02:04,047 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:02:04,048 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:02:04,048 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:02:04,049 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:02:04,049 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:02:04,050 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:02:04,301 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,301 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:04,469 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:02:04,484 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-12-02 15:02:04,484 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_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-12-02 15:02:04,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,524 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,524 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,531 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,531 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,532 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,567 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 15:02:04,568 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 15:02:04,568 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 15:02:04,569 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 15:02:04,570 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 15:02:04,571 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 15:02:04,571 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 15:02:04,572 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 15:02:04,572 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 15:02:04,572 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 15:02:04,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-12-02 15:02:04,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,651 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 15:02:04,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-12-02 15:02:04,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:04,985 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,986 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,987 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:02:04,995 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:02:04,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04 WrapperNode [2023-12-02 15:02:04,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:04,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:04,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:02:04,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:02:05,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,154 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-12-02 15:02:05,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:05,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:02:05,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:02:05,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:02:05,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:02:05,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:02:05,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:02:05,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:02:05,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (1/1) ... [2023-12-02 15:02:05,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:02:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:05,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:02:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:02:05,311 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 15:02:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2023-12-02 15:02:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 15:02:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:02:05,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 15:02:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 15:02:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:02:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:02:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:02:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-12-02 15:02:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-12-02 15:02:05,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:02:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:02:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 15:02:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 15:02:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 15:02:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 15:02:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:02:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:02:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-12-02 15:02:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-12-02 15:02:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 15:02:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 15:02:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:02:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:02:05,554 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:02:05,557 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:02:06,682 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:02:06,931 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:02:06,932 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:02:06,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:06 BoogieIcfgContainer [2023-12-02 15:02:06,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:02:06,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:02:06,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:02:06,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:02:06,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:02:02" (1/3) ... [2023-12-02 15:02:06,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5f1481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:06, skipping insertion in model container [2023-12-02 15:02:06,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:04" (2/3) ... [2023-12-02 15:02:06,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5f1481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:06, skipping insertion in model container [2023-12-02 15:02:06,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:06" (3/3) ... [2023-12-02 15:02:06,940 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2023-12-02 15:02:06,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:02:06,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:02:07,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:02:07,032 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;@5bf8441a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:02:07,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:02:07,036 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) [2023-12-02 15:02:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 15:02:07,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:07,045 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] [2023-12-02 15:02:07,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:07,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash -132453071, now seen corresponding path program 1 times [2023-12-02 15:02:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:02:07,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392425402] [2023-12-02 15:02:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:02:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 15:02:21,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:02:21,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392425402] [2023-12-02 15:02:21,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392425402] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:02:21,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819103640] [2023-12-02 15:02:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:21,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:02:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:21,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:02:21,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a13dd10-fe5d-4ce1-a4ea-c32d4a0966ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:02:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:22,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 105 conjunts are in the unsatisfiable core [2023-12-02 15:02:22,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:22,951 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 [2023-12-02 15:02:23,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-02 15:02:30,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-02 15:02:46,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:02:46,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:48,642 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 56951 disjunctions. This might take some time... [2023-12-02 15:06:49,519 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 56951 disjunctions.