./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_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/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_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:46,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:46,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:51:46,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:46,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:46,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:46,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:46,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:46,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:46,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:46,349 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:46,350 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:46,350 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:46,351 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:51:46,351 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:46,352 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:46,352 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:51:46,353 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:51:46,353 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:46,354 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:51:46,354 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:51:46,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:51:46,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:46,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:46,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:51:46,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:46,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:46,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:46,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:46,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:46,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:46,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:46,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:46,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:46,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:46,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:46,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:46,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:46,366 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:51:46,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:51:46,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:46,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:46,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:46,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:46,368 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_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2023-11-24 23:51:46,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:46,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:46,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:46,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:46,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:46,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-24 23:51:49,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:51:50,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:51:50,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2023-11-24 23:51:50,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/data/a39ff107e/27eae62fb8b7469fa7f28f3221718aa7/FLAGa648cbff6 [2023-11-24 23:51:50,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/data/a39ff107e/27eae62fb8b7469fa7f28f3221718aa7 [2023-11-24 23:51:50,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:51:50,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:51:50,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:50,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:51:50,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:51:50,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:50" (1/1) ... [2023-11-24 23:51:50,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c08e1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:50, skipping insertion in model container [2023-11-24 23:51:50,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:50" (1/1) ... [2023-11-24 23:51:50,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:51:50,873 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_45399580-97d1-49ee-8328-d2afb2b98e1b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-24 23:51:50,882 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_45399580-97d1-49ee-8328-d2afb2b98e1b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-24 23:51:52,061 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,062 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,063 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,064 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,080 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,081 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,083 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,084 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:52,616 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:51:52,617 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:51:52,619 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:51:52,620 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:51:52,622 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:51:52,622 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:51:52,623 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:51:52,624 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:51:52,625 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:51:52,625 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:51:53,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,112 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:53,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:51:53,333 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_45399580-97d1-49ee-8328-d2afb2b98e1b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2023-11-24 23:51:53,334 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_45399580-97d1-49ee-8328-d2afb2b98e1b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2023-11-24 23:51:53,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,381 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,382 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,395 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,396 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,460 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:51:53,461 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:51:53,462 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:51:53,464 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:51:53,468 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:51:53,469 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:51:53,469 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:51:53,470 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:51:53,471 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:51:53,479 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:51:53,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-24 23:51:53,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,597 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:51:53,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-24 23:51:53,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:53,931 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,931 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,931 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,932 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,932 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,932 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,932 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,932 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,933 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,934 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,934 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,934 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,934 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:51:53,940 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:51:53,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53 WrapperNode [2023-11-24 23:51:53,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:53,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:53,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:51:53,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:51:53,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,175 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-11-24 23:51:54,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:54,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:51:54,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:51:54,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:51:54,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:51:54,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:51:54,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:51:54,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:51:54,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (1/1) ... [2023-11-24 23:51:54,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:51:54,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:51:54,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:51:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-11-24 23:51:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-24 23:51:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-24 23:51:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2023-11-24 23:51:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2023-11-24 23:51:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:51:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:51:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:51:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:51:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:51:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:51:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:51:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:51:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:51:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-24 23:51:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-24 23:51:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:51:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:51:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:51:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:51:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-24 23:51:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-24 23:51:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:51:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:51:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-24 23:51:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-24 23:51:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:51:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:51:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-24 23:51:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-24 23:51:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:51:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 23:51:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 23:51:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:51:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:51:54,835 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:51:54,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:51:56,354 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:51:56,755 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:51:56,755 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:51:56,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:56 BoogieIcfgContainer [2023-11-24 23:51:56,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:51:56,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:51:56,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:51:56,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:51:56,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:51:50" (1/3) ... [2023-11-24 23:51:56,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293bde5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:56, skipping insertion in model container [2023-11-24 23:51:56,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:53" (2/3) ... [2023-11-24 23:51:56,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293bde5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:56, skipping insertion in model container [2023-11-24 23:51:56,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:56" (3/3) ... [2023-11-24 23:51:56,769 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2023-11-24 23:51:56,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:51:56,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:51:56,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:51:56,868 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;@4ab9a002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:51:56,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:51:56,873 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) [2023-11-24 23:51:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:51:56,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:56,884 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] [2023-11-24 23:51:56,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:56,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:56,891 INFO L85 PathProgramCache]: Analyzing trace with hash -132453071, now seen corresponding path program 1 times [2023-11-24 23:51:56,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:51:56,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101774198] [2023-11-24 23:51:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:51:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-24 23:52:18,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:52:18,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101774198] [2023-11-24 23:52:18,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101774198] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:52:18,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400777700] [2023-11-24 23:52:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:18,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:52:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:18,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:52:18,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45399580-97d1-49ee-8328-d2afb2b98e1b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:52:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:19,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 105 conjunts are in the unsatisfiable core [2023-11-24 23:52:19,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:19,714 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 [2023-11-24 23:52:20,484 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 [2023-11-24 23:52:27,472 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