./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_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_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/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_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/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_87e511dd-8a6e-4d91-885d-ca9cf262529d/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 03b17f77ffc9b60dd6edfa1d1cf71f248568a9cd6bbbccab8c3e61d5773c4168 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:44,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:45,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:01:45,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:45,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:45,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:45,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:45,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:45,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:45,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:45,113 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:45,115 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:45,115 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:45,117 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:45,118 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:45,118 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:45,119 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:45,119 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:45,120 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:45,120 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:45,121 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:45,122 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:45,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:45,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:45,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:45,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:45,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:45,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:45,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:45,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:45,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:45,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:45,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:45,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:45,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:45,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:45,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:45,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:45,130 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:45,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:45,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:45,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:45,131 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:45,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:45,132 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_87e511dd-8a6e-4d91-885d-ca9cf262529d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b17f77ffc9b60dd6edfa1d1cf71f248568a9cd6bbbccab8c3e61d5773c4168 [2023-11-25 00:01:45,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:45,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:45,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:45,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:45,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:45,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-25 00:01:48,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:49,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:49,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-25 00:01:49,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/data/f7bace543/9c463941e1d444d398319c6aa875476e/FLAG0d4039606 [2023-11-25 00:01:49,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/data/f7bace543/9c463941e1d444d398319c6aa875476e [2023-11-25 00:01:49,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:49,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:49,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:49,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:49,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:49,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:49" (1/1) ... [2023-11-25 00:01:49,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b62736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:49, skipping insertion in model container [2023-11-25 00:01:49,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:49" (1/1) ... [2023-11-25 00:01:49,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:50,220 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_87e511dd-8a6e-4d91-885d-ca9cf262529d/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-25 00:01:50,230 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_87e511dd-8a6e-4d91-885d-ca9cf262529d/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-25 00:01:51,738 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,746 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,747 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,748 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,750 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,781 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,784 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,785 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,790 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:51,791 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:52,390 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:01:52,392 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:01:52,394 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:01:52,396 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:01:52,398 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:01:52,399 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:01:52,401 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:01:52,402 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:01:52,403 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:01:52,404 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:01:53,254 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,257 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,324 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,361 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:53,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:53,503 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_87e511dd-8a6e-4d91-885d-ca9cf262529d/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-25 00:01:53,504 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_87e511dd-8a6e-4d91-885d-ca9cf262529d/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-25 00:01:53,589 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,589 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,590 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,590 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,591 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,599 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,600 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,601 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,602 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,603 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,604 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,604 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,605 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,643 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:01:53,644 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:01:53,645 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:01:53,646 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:01:53,648 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:01:53,648 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:01:53,649 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:01:53,650 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:01:53,650 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:01:53,651 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:01:53,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-25 00:01:53,828 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,828 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,839 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,841 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,845 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,845 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,866 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,867 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,872 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,873 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:53,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:54,365 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,365 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,365 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,366 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,367 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,368 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,368 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,368 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:54,377 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:54,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54 WrapperNode [2023-11-25 00:01:54,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:54,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:54,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:54,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:54,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,646 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-25 00:01:54,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:54,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:54,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:54,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:54,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:54,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:54,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:54,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:54,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (1/1) ... [2023-11-25 00:01:54,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:54,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:54,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:01:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:01:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-25 00:01:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-25 00:01:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-25 00:01:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-25 00:01:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:01:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:01:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-25 00:01:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-25 00:01:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:01:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:01:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:01:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:01:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-25 00:01:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-25 00:01:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:01:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-25 00:01:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-25 00:01:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:01:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-25 00:01:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-25 00:01:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-25 00:01:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-25 00:01:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:01:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-25 00:01:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-25 00:01:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-25 00:01:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-25 00:01:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-25 00:01:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-25 00:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-25 00:01:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-25 00:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-25 00:01:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-25 00:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:55,371 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:55,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:56,627 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:56,998 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:56,998 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:01:57,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:57 BoogieIcfgContainer [2023-11-25 00:01:57,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:57,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:57,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:57,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:57,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:49" (1/3) ... [2023-11-25 00:01:57,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f582f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:57, skipping insertion in model container [2023-11-25 00:01:57,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:54" (2/3) ... [2023-11-25 00:01:57,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f582f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:57, skipping insertion in model container [2023-11-25 00:01:57,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:57" (3/3) ... [2023-11-25 00:01:57,017 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness.i [2023-11-25 00:01:57,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:57,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:57,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:57,125 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;@d00e1b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:57,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 64 states have (on average 1.15625) internal successors, (74), 65 states have internal predecessors, (74), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-25 00:01:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-25 00:01:57,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:57,162 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2023-11-25 00:01:57,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:57,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -744843000, now seen corresponding path program 1 times [2023-11-25 00:01:57,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:57,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477320833] [2023-11-25 00:01:57,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:57,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:57,786 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:01:57,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318915118] [2023-11-25 00:01:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:57,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:57,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:57,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e511dd-8a6e-4d91-885d-ca9cf262529d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:58,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:01:58,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-25 00:01:58,906 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:01:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-25 00:01:59,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477320833] [2023-11-25 00:01:59,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-25 00:01:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318915118] [2023-11-25 00:01:59,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318915118] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:01:59,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1255837671] [2023-11-25 00:01:59,199 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-25 00:01:59,199 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:01:59,205 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:01:59,212 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:01:59,213 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs