./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 30e01a73 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:20:34,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:34,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:34,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:34,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:34,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:34,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:34,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:34,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:34,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:34,457 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:34,457 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:34,458 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:34,458 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:34,459 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:34,460 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:34,460 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:34,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:34,461 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:34,462 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:34,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:34,463 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:34,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:34,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:34,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:34,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:34,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:34,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:34,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:34,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:34,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:34,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:34,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:34,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:34,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:34,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:34,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:34,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:34,472 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:34,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:34,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:34,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:34,474 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:34,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:34,475 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2023-11-23 21:20:34,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:34,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:34,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:34,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:34,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:34,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-23 21:20:37,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:38,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:38,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-23 21:20:38,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/data/57dbe7322/9b315b5a23f74da18d2c0420e8f5d8c0/FLAG98e37aa54 [2023-11-23 21:20:38,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/data/57dbe7322/9b315b5a23f74da18d2c0420e8f5d8c0 [2023-11-23 21:20:38,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:38,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:38,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:38,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:38,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:38,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:38" (1/1) ... [2023-11-23 21:20:38,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6046b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:38, skipping insertion in model container [2023-11-23 21:20:38,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:38" (1/1) ... [2023-11-23 21:20:38,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:38,969 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-23 21:20:38,977 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-23 21:20:39,983 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:39,984 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:39,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:39,986 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:39,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,004 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,006 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,007 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,522 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:20:40,523 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:20:40,524 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:20:40,528 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:20:40,534 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:20:40,536 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:20:40,537 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:20:40,538 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:20:40,541 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:20:40,543 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:20:40,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:40,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:41,065 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:41,080 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-23 21:20:41,080 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_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-23 21:20:41,169 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,169 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,171 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,181 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,183 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,185 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,240 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:20:41,241 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:20:41,242 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:20:41,243 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:20:41,246 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:20:41,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:20:41,248 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:20:41,249 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:20:41,249 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:20:41,250 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:20:41,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-23 21:20:41,352 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,353 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:20:41,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-23 21:20:41,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:41,721 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,721 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,721 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,721 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,722 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,722 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,722 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,722 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,722 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,723 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,723 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,723 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,723 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,723 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,724 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,724 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,724 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,724 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:41,732 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:41,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41 WrapperNode [2023-11-23 21:20:41,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:41,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:41,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:41,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:41,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:41,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:41,981 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-11-23 21:20:41,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:41,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:41,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:41,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:41,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:41,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:42,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:42,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:42,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:42,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (1/1) ... [2023-11-23 21:20:42,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:42,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:42,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-11-23 21:20:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 21:20:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 21:20:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2023-11-23 21:20:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2023-11-23 21:20:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:20:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:20:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:20:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:20:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:20:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:20:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:20:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 21:20:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 21:20:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:20:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:20:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 21:20:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 21:20:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 21:20:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 21:20:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:20:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:20:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-23 21:20:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-23 21:20:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:20:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 21:20:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 21:20:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:42,594 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:42,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:43,909 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:44,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:44,367 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:44,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:44 BoogieIcfgContainer [2023-11-23 21:20:44,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:44,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:44,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:44,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:44,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:38" (1/3) ... [2023-11-23 21:20:44,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617d44bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:44, skipping insertion in model container [2023-11-23 21:20:44,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:41" (2/3) ... [2023-11-23 21:20:44,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617d44bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:44, skipping insertion in model container [2023-11-23 21:20:44,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:44" (3/3) ... [2023-11-23 21:20:44,377 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2023-11-23 21:20:44,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:44,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:44,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:44,458 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;@22ec4d6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:44,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:44,462 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) [2023-11-23 21:20:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 21:20:44,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:44,473 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] [2023-11-23 21:20:44,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:44,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:44,479 INFO L85 PathProgramCache]: Analyzing trace with hash -132453071, now seen corresponding path program 1 times [2023-11-23 21:20:44,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:44,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890067845] [2023-11-23 21:20:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:44,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 21:21:04,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890067845] [2023-11-23 21:21:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890067845] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:21:04,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242271202] [2023-11-23 21:21:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:04,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:04,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:04,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11c18e2-96ad-434d-b1d5-d7bd3e81cad9/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:05,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 161 conjunts are in the unsatisfiable core [2023-11-23 21:21:05,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:05,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-23 21:21:05,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-23 21:21:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:21:06,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-23 21:21:06,308 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 [2023-11-23 21:21:06,325 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 15 treesize of output 1 [2023-11-23 21:21:10,472 INFO L349 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2023-11-23 21:21:10,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 37 [2023-11-23 21:21:13,951 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-23 21:21:13,961 INFO L378 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 28 treesize of output 25 [2023-11-23 21:21:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:21:14,921 INFO L349 Elim1Store]: treesize reduction 160, result has 65.0 percent of original size [2023-11-23 21:21:14,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 356 treesize of output 613