./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_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_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:05:38,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:05:38,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 17:05:38,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:05:38,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:05:38,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:05:38,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:05:38,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:05:38,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:05:38,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:05:38,651 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:05:38,652 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:05:38,652 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:05:38,653 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:05:38,653 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:05:38,654 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:05:38,655 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:05:38,655 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:05:38,655 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:05:38,656 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:05:38,656 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:05:38,658 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:05:38,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:05:38,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:05:38,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:05:38,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:05:38,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:05:38,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:05:38,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:05:38,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:05:38,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:05:38,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:05:38,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:05:38,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:05:38,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:05:38,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:05:38,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:05:38,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:05:38,663 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:05:38,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:05:38,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:05:38,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:05:38,664 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:05:38,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:05:38,665 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_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2023-12-02 17:05:38,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:05:38,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:05:38,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:05:38,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:05:38,895 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:05:38,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2023-12-02 17:05:41,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:05:42,127 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:05:42,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2023-12-02 17:05:42,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/data/b86d568a9/cef6573e2f734aed89068296117b5c27/FLAG5863d1efb [2023-12-02 17:05:42,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/data/b86d568a9/cef6573e2f734aed89068296117b5c27 [2023-12-02 17:05:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:05:42,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:05:42,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:05:42,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:05:42,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:05:42,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:05:42" (1/1) ... [2023-12-02 17:05:42,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aacc56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:42, skipping insertion in model container [2023-12-02 17:05:42,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:05:42" (1/1) ... [2023-12-02 17:05:42,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:05:42,613 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_910d525f-f3a7-4040-b421-bb3bb10f6f83/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2023-12-02 17:05:42,622 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_910d525f-f3a7-4040-b421-bb3bb10f6f83/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2023-12-02 17:05:43,581 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,582 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,582 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,583 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,584 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,594 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,595 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,597 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:43,999 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 17:05:44,000 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 17:05:44,001 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 17:05:44,002 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 17:05:44,003 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 17:05:44,003 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 17:05:44,004 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 17:05:44,005 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 17:05:44,005 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 17:05:44,006 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 17:05:44,230 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,230 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:05:44,358 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:05:44,373 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_910d525f-f3a7-4040-b421-bb3bb10f6f83/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2023-12-02 17:05:44,374 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_910d525f-f3a7-4040-b421-bb3bb10f6f83/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2023-12-02 17:05:44,415 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,415 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,416 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,416 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,417 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,425 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,426 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,454 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,455 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,494 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 17:05:44,495 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 17:05:44,496 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 17:05:44,497 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 17:05:44,498 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 17:05:44,498 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 17:05:44,499 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 17:05:44,499 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 17:05:44,500 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 17:05:44,500 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 17:05:44,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2023-12-02 17:05:44,581 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,581 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 17:05:44,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2023-12-02 17:05:44,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:05:44,868 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,868 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,868 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,868 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,869 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,870 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,871 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:05:44,879 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:05:44,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44 WrapperNode [2023-12-02 17:05:44,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:05:44,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:05:44,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:05:44,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:05:44,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:44,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,053 INFO L138 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2023-12-02 17:05:45,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:05:45,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:05:45,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:05:45,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:05:45,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:05:45,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:05:45,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:05:45,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:05:45,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (1/1) ... [2023-12-02 17:05:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:05:45,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:05:45,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:05:45,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:05:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2023-12-02 17:05:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2023-12-02 17:05:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2023-12-02 17:05:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 17:05:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 17:05:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:05:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 17:05:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 17:05:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 17:05:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-12-02 17:05:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-12-02 17:05:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:05:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:05:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 17:05:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 17:05:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 17:05:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 17:05:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:05:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-12-02 17:05:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2023-12-02 17:05:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 17:05:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 17:05:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 17:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2023-12-02 17:05:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2023-12-02 17:05:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:05:45,481 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:05:45,484 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:05:46,493 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:05:46,851 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:05:46,851 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:05:46,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:05:46 BoogieIcfgContainer [2023-12-02 17:05:46,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:05:46,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:05:46,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:05:46,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:05:46,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:05:42" (1/3) ... [2023-12-02 17:05:46,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30892c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:05:46, skipping insertion in model container [2023-12-02 17:05:46,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:05:44" (2/3) ... [2023-12-02 17:05:46,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30892c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:05:46, skipping insertion in model container [2023-12-02 17:05:46,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:05:46" (3/3) ... [2023-12-02 17:05:46,863 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2023-12-02 17:05:46,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:05:46,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:05:46,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:05:46,943 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;@1602a5ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:05:46,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:05:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-02 17:05:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 17:05:46,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:05:46,961 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, 1, 1, 1, 1] [2023-12-02 17:05:46,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:05:46,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:05:46,968 INFO L85 PathProgramCache]: Analyzing trace with hash -801733162, now seen corresponding path program 1 times [2023-12-02 17:05:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:05:46,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70665986] [2023-12-02 17:05:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:05:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:05:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:06:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 17:06:02,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:06:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70665986] [2023-12-02 17:06:02,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70665986] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:06:02,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050142007] [2023-12-02 17:06:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:06:02,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:06:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:06:02,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:06:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d525f-f3a7-4040-b421-bb3bb10f6f83/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:06:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:06:03,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 17:06:03,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:06:03,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:06:03,549 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 [2023-12-02 17:06:06,338 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2023-12-02 17:06:06,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 39 [2023-12-02 17:06:06,428 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 17:06:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2023-12-02 17:06:13,490 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 17:06:13,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 17:06:13,498 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 [2023-12-02 17:06:13,516 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 17:06:13,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 35 [2023-12-02 17:06:31,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:06:31,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 248 treesize of output 300 [2023-12-02 17:06:31,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:06:31,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 162 treesize of output 154 [2023-12-02 17:06:31,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:06:31,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 146 treesize of output 138 [2023-12-02 17:06:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:06:32,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:06:34,086 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 56951 disjunctions. This might take some time... [2023-12-02 17:10:31,545 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 56951 disjunctions.