./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/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 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:04,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:04,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:02:04,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:05,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:05,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:05,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:05,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:05,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:05,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:05,052 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:05,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:05,054 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:05,056 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:05,057 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:05,057 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:05,058 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:05,058 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:05,059 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:05,059 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:05,060 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:05,064 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:05,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:05,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:05,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:05,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:05,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:05,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:05,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:05,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:05,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:05,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:05,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:05,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:05,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:05,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:05,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:05,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:05,072 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:05,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:05,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:05,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:05,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:05,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:05,074 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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2023-11-25 00:02:05,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:05,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:05,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:05,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:05,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:05,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2023-11-25 00:02:08,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:09,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:09,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2023-11-25 00:02:09,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/data/5ba3a1950/cc3e8b34417c433b9169355a644bb980/FLAG0c7436963 [2023-11-25 00:02:09,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/data/5ba3a1950/cc3e8b34417c433b9169355a644bb980 [2023-11-25 00:02:09,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:09,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:09,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:09,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:09,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:09,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:09" (1/1) ... [2023-11-25 00:02:09,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ebc901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:09, skipping insertion in model container [2023-11-25 00:02:09,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:09" (1/1) ... [2023-11-25 00:02:09,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:09,924 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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2023-11-25 00:02:09,935 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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2023-11-25 00:02:11,235 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,236 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,255 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,256 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,258 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,274 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,278 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,279 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:11,709 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:11,710 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:11,712 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:11,714 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:11,716 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:11,717 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:11,718 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:11,718 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:11,719 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:11,720 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:12,119 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:12,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:12,319 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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2023-11-25 00:02:12,320 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_9b11093f-24c9-4fcd-861d-b5fff4a188a0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2023-11-25 00:02:12,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,366 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,366 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,379 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,380 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,381 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,413 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:02:12,414 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:02:12,415 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:02:12,416 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:02:12,417 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:02:12,417 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:02:12,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:02:12,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:02:12,419 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:02:12,420 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:02:12,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-25 00:02:12,506 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,507 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:02:12,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-25 00:02:12,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:12,980 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,980 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,981 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,981 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,981 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,981 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,982 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,982 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,982 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,983 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,983 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,983 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,984 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,986 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,986 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,986 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,986 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,986 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:12,994 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:12,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12 WrapperNode [2023-11-25 00:02:12,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:12,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:12,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:12,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:13,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,233 INFO L138 Inliner]: procedures = 690, calls = 2659, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 902 [2023-11-25 00:02:13,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:13,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:13,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:13,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:13,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:13,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:13,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:13,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:13,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (1/1) ... [2023-11-25 00:02:13,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:13,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:13,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b11093f-24c9-4fcd-861d-b5fff4a188a0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-25 00:02:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-25 00:02:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:02:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-25 00:02:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-25 00:02:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:02:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:02:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:02:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:02:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-11-25 00:02:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-11-25 00:02:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:02:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-25 00:02:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-25 00:02:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-25 00:02:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-25 00:02:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:02:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:02:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-25 00:02:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-25 00:02:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-25 00:02:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-25 00:02:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:02:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:02:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-25 00:02:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-25 00:02:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:02:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-25 00:02:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-25 00:02:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-25 00:02:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-25 00:02:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-11-25 00:02:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-11-25 00:02:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:02:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-11-25 00:02:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-11-25 00:02:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:13,857 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:13,859 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:15,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:15,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:15,833 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:15,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:15 BoogieIcfgContainer [2023-11-25 00:02:15,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:15,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:15,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:15,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:15,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:09" (1/3) ... [2023-11-25 00:02:15,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2661c97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:15, skipping insertion in model container [2023-11-25 00:02:15,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:12" (2/3) ... [2023-11-25 00:02:15,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2661c97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:15, skipping insertion in model container [2023-11-25 00:02:15,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:15" (3/3) ... [2023-11-25 00:02:15,848 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2023-11-25 00:02:15,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:15,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:15,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:15,955 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;@4e9b1afb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:15,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-25 00:02:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-25 00:02:15,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:15,976 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:15,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:15,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1326475261, now seen corresponding path program 1 times [2023-11-25 00:02:15,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:15,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372318818] [2023-11-25 00:02:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat