./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 cf1a7837 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 00:10:19,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:19,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:10:19,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:19,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:19,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:19,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:19,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:19,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:19,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:19,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:19,403 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:19,403 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:19,404 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:19,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:19,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:19,405 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:19,406 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:19,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:19,407 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:19,407 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:19,408 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:19,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:19,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:19,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:19,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:19,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:19,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:19,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:19,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:19,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:19,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:19,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:19,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:19,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:19,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:19,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:19,422 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:19,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:19,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:19,423 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:19,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:19,423 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b17f77ffc9b60dd6edfa1d1cf71f248568a9cd6bbbccab8c3e61d5773c4168 [2023-11-12 00:10:19,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:19,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:19,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:19,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:19,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:19,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-12 00:10:22,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:23,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:23,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-12 00:10:23,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/data/81e94e7ca/2a74d7df47e34c648c5e998ee341bd15/FLAGfbdb3c716 [2023-11-12 00:10:23,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/data/81e94e7ca/2a74d7df47e34c648c5e998ee341bd15 [2023-11-12 00:10:23,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:23,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:23,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:23,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:23,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:23,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:23" (1/1) ... [2023-11-12 00:10:23,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689c4730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:23, skipping insertion in model container [2023-11-12 00:10:23,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:23" (1/1) ... [2023-11-12 00:10:23,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:24,138 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-12 00:10:24,148 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-12 00:10:25,587 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,588 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,589 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,590 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,591 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,613 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,614 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,616 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,617 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,619 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,621 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,622 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:25,622 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,262 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:10:26,275 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:10:26,276 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:10:26,277 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:10:26,279 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:10:26,279 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:10:26,280 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:10:26,281 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:10:26,284 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:10:26,284 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:10:26,933 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,935 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,983 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,984 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,990 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:26,990 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,004 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,005 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,006 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,006 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,007 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,007 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,008 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:27,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:27,150 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-12 00:10:27,151 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_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-12 00:10:27,201 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,201 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,202 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,202 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,203 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,209 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,209 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,210 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,211 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,212 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,213 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,213 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,214 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,245 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:10:27,246 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:10:27,247 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:10:27,248 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:10:27,249 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:10:27,250 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:10:27,250 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:10:27,251 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:10:27,252 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:10:27,252 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:10:27,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-12 00:10:27,467 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,468 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,480 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,481 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,485 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,486 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,502 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,503 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,504 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,505 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,505 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,506 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,507 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:10:27,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:27,898 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,899 WARN L672 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,899 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,900 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,901 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,901 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,901 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,901 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,906 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,906 WARN L672 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,907 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,907 WARN L672 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:27,915 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:27,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27 WrapperNode [2023-11-12 00:10:27,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:27,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:27,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:27,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:27,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,233 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-12 00:10:28,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:28,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:28,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:28,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:28,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:28,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:28,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:28,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:28,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (1/1) ... [2023-11-12 00:10:28,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:28,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:28,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:28,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 00:10:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:10:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-12 00:10:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-12 00:10:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-12 00:10:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-12 00:10:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:10:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:10:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-12 00:10:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-12 00:10:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:10:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:10:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:10:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:10:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-12 00:10:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-12 00:10:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:10:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-12 00:10:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-12 00:10:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:10:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:10:28,532 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:10:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:10:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-12 00:10:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-12 00:10:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:10:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-12 00:10:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-12 00:10:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:28,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-12 00:10:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-12 00:10:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-12 00:10:28,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-12 00:10:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:10:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-12 00:10:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-12 00:10:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-12 00:10:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-12 00:10:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:28,942 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:28,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:30,404 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:30,751 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:30,752 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:10:30,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:30 BoogieIcfgContainer [2023-11-12 00:10:30,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:30,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:30,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:30,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:30,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:23" (1/3) ... [2023-11-12 00:10:30,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6181aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:30, skipping insertion in model container [2023-11-12 00:10:30,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:27" (2/3) ... [2023-11-12 00:10:30,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6181aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:30, skipping insertion in model container [2023-11-12 00:10:30,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:30" (3/3) ... [2023-11-12 00:10:30,770 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness.i [2023-11-12 00:10:30,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:30,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:30,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:30,880 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;@40ad3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:30,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:30,930 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) [2023-11-12 00:10:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-12 00:10:30,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:30,973 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] [2023-11-12 00:10:30,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:30,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash -556606060, now seen corresponding path program 1 times [2023-11-12 00:10:30,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:30,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055539249] [2023-11-12 00:10:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:31,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:10:31,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239797039] [2023-11-12 00:10:31,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:31,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:31,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:31,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:31,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97eef4e2-5fa0-4fe0-8a65-3b8975b8af1a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:10:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:32,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:10:32,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-12 00:10:32,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-12 00:10:32,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:32,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055539249] [2023-11-12 00:10:32,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:10:32,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239797039] [2023-11-12 00:10:32,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239797039] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:10:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2112111994] [2023-11-12 00:10:32,706 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-12 00:10:32,706 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:10:32,711 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:10:32,717 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:10:32,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs