./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.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_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/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_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/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_0bfcc38f-82bf-487b-96d9-30172285e237/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 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:55,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:55,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:51:55,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:55,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:55,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:55,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:55,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:55,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:55,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:55,415 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:55,416 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:55,416 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:55,418 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:51:55,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:55,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:55,419 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:51:55,420 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:51:55,420 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:55,420 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:51:55,421 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:51:55,421 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:51:55,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:55,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:55,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:51:55,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:55,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:55,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:55,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:55,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:55,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:55,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:55,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:55,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:55,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:55,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:55,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:55,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:55,427 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:51:55,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:51:55,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:55,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:55,428 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:55,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:55,428 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_0bfcc38f-82bf-487b-96d9-30172285e237/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 [2023-11-24 23:51:55,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:55,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:55,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:55,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:55,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:55,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-24 23:51:58,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:51:59,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:51:59,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-24 23:51:59,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/data/c358f6c86/4050c73c87e8486baa037eca28346db3/FLAGa0b57934e [2023-11-24 23:51:59,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/data/c358f6c86/4050c73c87e8486baa037eca28346db3 [2023-11-24 23:51:59,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:51:59,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:51:59,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:59,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:51:59,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:51:59,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:59" (1/1) ... [2023-11-24 23:51:59,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9c1109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:59, skipping insertion in model container [2023-11-24 23:51:59,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:59" (1/1) ... [2023-11-24 23:51:59,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:00,188 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_0bfcc38f-82bf-487b-96d9-30172285e237/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-24 23:52:00,198 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_0bfcc38f-82bf-487b-96d9-30172285e237/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-24 23:52:01,631 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,641 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,643 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,671 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,675 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,676 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,679 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,680 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,682 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:01,682 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:02,421 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:52:02,427 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:52:02,430 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:52:02,433 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:52:02,435 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:52:02,436 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:52:02,437 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:52:02,438 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:52:02,439 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:52:02,440 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:52:03,095 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,096 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,129 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,130 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,137 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,137 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,159 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,160 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,161 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,161 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,162 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,163 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,163 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:03,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:03,306 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_0bfcc38f-82bf-487b-96d9-30172285e237/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-24 23:52:03,309 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_0bfcc38f-82bf-487b-96d9-30172285e237/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-24 23:52:03,373 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,374 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,376 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,376 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,385 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,386 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,388 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,389 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,390 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,390 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,391 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,429 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:52:03,430 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:52:03,431 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:52:03,432 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:52:03,433 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:52:03,434 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:52:03,435 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:52:03,436 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:52:03,436 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:52:03,438 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:52:03,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2023-11-24 23:52:03,686 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,686 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,696 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,716 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,717 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,719 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,720 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:52:03,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:04,001 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,001 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,001 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,001 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,001 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,002 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,003 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,004 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:52:04,011 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:04,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04 WrapperNode [2023-11-24 23:52:04,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:04,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:04,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:04,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:04,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,359 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-24 23:52:04,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:04,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:04,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:04,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:04,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:04,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:04,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:04,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:04,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (1/1) ... [2023-11-24 23:52:04,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:04,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:04,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:04,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:52:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:52:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-24 23:52:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-24 23:52:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-24 23:52:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-24 23:52:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:52:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:52:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-24 23:52:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-24 23:52:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:52:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:52:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:52:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:52:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-24 23:52:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-24 23:52:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:52:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-24 23:52:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-24 23:52:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:52:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-24 23:52:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-24 23:52:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:52:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-24 23:52:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-24 23:52:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:52:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-24 23:52:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-24 23:52:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:52:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:52:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-24 23:52:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-24 23:52:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-24 23:52:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-24 23:52:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:52:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-24 23:52:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-24 23:52:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-24 23:52:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-24 23:52:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:52:04,955 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:04,959 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:05,980 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:06,242 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:06,242 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:52:06,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:06 BoogieIcfgContainer [2023-11-24 23:52:06,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:06,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:06,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:06,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:06,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:51:59" (1/3) ... [2023-11-24 23:52:06,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1472765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:06, skipping insertion in model container [2023-11-24 23:52:06,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:04" (2/3) ... [2023-11-24 23:52:06,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1472765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:06, skipping insertion in model container [2023-11-24 23:52:06,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:06" (3/3) ... [2023-11-24 23:52:06,253 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness_negated.i [2023-11-24 23:52:06,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:06,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:52:06,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:06,332 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;@72e88ee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:06,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:52:06,338 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) [2023-11-24 23:52:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-24 23:52:06,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:06,353 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] [2023-11-24 23:52:06,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:06,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:06,359 INFO L85 PathProgramCache]: Analyzing trace with hash -28541318, now seen corresponding path program 1 times [2023-11-24 23:52:06,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:06,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090439770] [2023-11-24 23:52:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:06,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:06,749 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:52:06,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190420595] [2023-11-24 23:52:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:06,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:52:06,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:06,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:52:06,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfcc38f-82bf-487b-96d9-30172285e237/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:52:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:07,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:52:07,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-24 23:52:07,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:52:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-24 23:52:08,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:52:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090439770] [2023-11-24 23:52:08,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:52:08,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190420595] [2023-11-24 23:52:08,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190420595] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:52:08,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2021851150] [2023-11-24 23:52:08,080 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-24 23:52:08,080 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:52:08,084 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:52:08,090 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:52:08,091 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs