./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-1.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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:29,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:29,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:29,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:29,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:29,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:29,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:29,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:29,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:29,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:29,596 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:29,598 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:29,598 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:29,600 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:29,600 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:29,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:29,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:29,602 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:29,602 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:29,603 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:29,603 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:29,604 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:29,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:29,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:29,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:29,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:29,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:29,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:29,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:29,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:29,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:29,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:29,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:29,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:29,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:29,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:29,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:29,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:29,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:29,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:29,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:29,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:29,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:29,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:29,614 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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2023-11-23 21:23:29,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:30,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:30,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:30,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:30,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:30,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-23 21:23:33,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:33,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:33,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-23 21:23:33,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/data/4108e849b/daadfcf582254170af6e810fe4c1ed55/FLAG9f5dfe418 [2023-11-23 21:23:34,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/data/4108e849b/daadfcf582254170af6e810fe4c1ed55 [2023-11-23 21:23:34,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:34,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:34,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:34,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:34,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:34,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:34" (1/1) ... [2023-11-23 21:23:34,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d48c92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:34, skipping insertion in model container [2023-11-23 21:23:34,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:34" (1/1) ... [2023-11-23 21:23:34,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:34,559 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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2023-11-23 21:23:34,568 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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2023-11-23 21:23:35,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,766 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,769 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,771 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,773 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,799 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,812 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,820 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:35,821 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:36,446 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:23:36,447 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:23:36,448 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:23:36,454 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:23:36,482 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:23:36,483 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:23:36,484 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:23:36,485 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:23:36,488 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:23:36,491 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:23:36,891 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:36,897 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:36,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:37,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:37,054 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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2023-11-23 21:23:37,054 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_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2023-11-23 21:23:37,093 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,094 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,094 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,095 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,095 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,112 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,112 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,114 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,114 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,176 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:23:37,178 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:23:37,179 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:23:37,180 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:23:37,181 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:23:37,182 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:23:37,183 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:23:37,184 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:23:37,184 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:23:37,185 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:23:37,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-11-23 21:23:37,273 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,274 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:23:37,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-11-23 21:23:37,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:37,700 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,700 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,701 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,701 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,702 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,703 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,703 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,703 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,703 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,704 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,704 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,705 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,705 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,706 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,706 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,706 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,706 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,706 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:37,714 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:37,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37 WrapperNode [2023-11-23 21:23:37,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:37,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:37,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:37,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:37,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:37,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:37,936 INFO L138 Inliner]: procedures = 690, calls = 2671, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 899 [2023-11-23 21:23:37,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:37,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:37,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:37,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:37,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:37,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:37,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:37,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:38,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:38,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:38,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:38,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (1/1) ... [2023-11-23 21:23:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:38,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:38,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 21:23:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 21:23:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:23:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:23:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:23:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:23:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-11-23 21:23:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-11-23 21:23:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-23 21:23:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-23 21:23:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-23 21:23:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-11-23 21:23:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:23:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:23:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 21:23:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 21:23:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-23 21:23:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-23 21:23:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-23 21:23:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-23 21:23:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-11-23 21:23:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-11-23 21:23:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:23:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 21:23:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 21:23:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:23:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:23:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-11-23 21:23:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-11-23 21:23:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-11-23 21:23:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-11-23 21:23:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:38,576 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:38,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:40,113 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:40,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:40,430 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:40,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:40 BoogieIcfgContainer [2023-11-23 21:23:40,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:40,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:40,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:40,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:40,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:34" (1/3) ... [2023-11-23 21:23:40,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6355f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:40, skipping insertion in model container [2023-11-23 21:23:40,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:37" (2/3) ... [2023-11-23 21:23:40,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6355f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:40, skipping insertion in model container [2023-11-23 21:23:40,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:40" (3/3) ... [2023-11-23 21:23:40,444 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2023-11-23 21:23:40,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:40,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:40,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:40,550 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;@b6c46ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:40,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:23:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 21:23:40,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:40,576 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:40,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:40,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:40,584 INFO L85 PathProgramCache]: Analyzing trace with hash 776437987, now seen corresponding path program 1 times [2023-11-23 21:23:40,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:40,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842853045] [2023-11-23 21:23:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-23 21:24:03,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:03,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842853045] [2023-11-23 21:24:03,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842853045] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:24:03,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340128520] [2023-11-23 21:24:03,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:03,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:03,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:03,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf01870-0e64-44fa-90f5-f28a8c7d31a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:24:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:04,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 2974 conjuncts, 204 conjunts are in the unsatisfiable core [2023-11-23 21:24:04,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:04,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-23 21:24:05,433 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-23 21:24:05,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-23 21:24:05,928 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 19 treesize of output 1 [2023-11-23 21:24:07,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 treesize of output 4 [2023-11-23 21:24:09,617 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 8 treesize of output 1 [2023-11-23 21:24:09,620 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 8 treesize of output 1 [2023-11-23 21:24:11,813 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2023-11-23 21:24:13,950 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 17 treesize of output 12 [2023-11-23 21:24:13,958 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 8 treesize of output 1