./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/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 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:10,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:10,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:11:10,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:10,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:10,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:10,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:10,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:10,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:10,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:10,845 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:10,846 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:10,847 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:10,849 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:11:10,850 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:10,850 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:10,852 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:11:10,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:11:10,857 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:10,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:11:10,858 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:11:10,858 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:11:10,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:10,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:10,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:10,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:10,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:10,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:10,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:10,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:10,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:10,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:10,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:10,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:10,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:10,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:10,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:10,866 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:11:10,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:11:10,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:10,867 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:10,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:10,867 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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa4ea29feb858d0ec0c88bcc85f9e71afb408d45796415f5e65f623910fb063 [2023-11-12 00:11:11,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:11,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:11,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:11,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:11,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:11,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-12 00:11:14,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:14,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:14,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i [2023-11-12 00:11:14,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/data/9035a794a/33db2f828f1b494e841efe4068806366/FLAG55de1ed58 [2023-11-12 00:11:14,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/data/9035a794a/33db2f828f1b494e841efe4068806366 [2023-11-12 00:11:14,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:14,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:14,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:14,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:14,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:14,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:14" (1/1) ... [2023-11-12 00:11:14,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8778f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:14, skipping insertion in model container [2023-11-12 00:11:14,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:14" (1/1) ... [2023-11-12 00:11:15,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:15,476 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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-12 00:11:15,485 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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-12 00:11:16,786 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,787 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,787 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,788 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,790 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,807 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,808 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,811 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,812 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,815 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,816 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,817 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:16,817 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:17,387 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:11:17,388 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:11:17,390 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:11:17,391 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:11:17,393 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:11:17,394 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:11:17,395 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:11:17,396 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:11:17,396 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:11:17,397 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:11:18,048 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,049 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,090 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,091 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,098 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,099 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,124 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,125 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,126 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,126 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,127 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,127 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,128 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:18,339 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:18,354 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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4492,4505] [2023-11-12 00:11:18,369 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_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness_negated.i[4552,4565] [2023-11-12 00:11:18,437 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,438 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,438 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,438 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,439 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,467 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,468 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,469 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,470 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,471 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,471 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,472 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,472 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,504 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:11:18,505 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:11:18,506 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:11:18,507 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:11:18,508 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:11:18,509 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:11:18,509 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:11:18,510 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:11:18,510 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:11:18,511 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:11:18,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2023-11-12 00:11:18,631 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,631 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,644 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,645 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,649 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,650 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,665 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,666 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,669 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,669 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,670 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,671 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,672 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:11:18,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:19,125 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,125 WARN L672 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,125 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,126 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,127 WARN L672 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,128 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,128 WARN L672 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:11:19,137 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:19,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19 WrapperNode [2023-11-12 00:11:19,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:19,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:19,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:19,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:19,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,342 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-12 00:11:19,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:19,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:19,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:19,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:19,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:19,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:19,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:19,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:19,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (1/1) ... [2023-11-12 00:11:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:19,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:19,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:19,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 00:11:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:11:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-12 00:11:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-12 00:11:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-12 00:11:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-12 00:11:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:11:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-12 00:11:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-12 00:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:11:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:11:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:11:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-12 00:11:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-12 00:11:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:11:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-12 00:11:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-12 00:11:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:11:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:11:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:11:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:11:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-12 00:11:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-12 00:11:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:11:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-12 00:11:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-12 00:11:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-12 00:11:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-12 00:11:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-12 00:11:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-12 00:11:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:11:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-12 00:11:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-12 00:11:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-12 00:11:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-12 00:11:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:11:20,032 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:20,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:21,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:21,689 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:21,689 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:11:21,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:21 BoogieIcfgContainer [2023-11-12 00:11:21,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:21,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:21,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:21,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:21,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:14" (1/3) ... [2023-11-12 00:11:21,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:21, skipping insertion in model container [2023-11-12 00:11:21,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:19" (2/3) ... [2023-11-12 00:11:21,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:21, skipping insertion in model container [2023-11-12 00:11:21,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:21" (3/3) ... [2023-11-12 00:11:21,704 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness_negated.i [2023-11-12 00:11:21,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:21,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:21,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:21,789 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;@e282fb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:21,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:21,798 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 00:11:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-12 00:11:21,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:21,814 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 00:11:21,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:21,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:21,821 INFO L85 PathProgramCache]: Analyzing trace with hash -33175747, now seen corresponding path program 1 times [2023-11-12 00:11:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:21,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037733704] [2023-11-12 00:11:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:21,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:22,327 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:11:22,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175167035] [2023-11-12 00:11:22,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:22,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:22,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:22,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc707c7f-45b4-4a9c-8b6d-88c91a13b9f6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:11:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:23,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:11:23,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:23,466 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 00:11:23,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:23,714 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 00:11:23,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:11:23,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037733704] [2023-11-12 00:11:23,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:11:23,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175167035] [2023-11-12 00:11:23,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175167035] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:11:23,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1503588093] [2023-11-12 00:11:23,748 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-12 00:11:23,748 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:11:23,752 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:11:23,759 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:11:23,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs