./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 30e01a73 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_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/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_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:27:44,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:44,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:44,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:44,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:44,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:44,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:44,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:44,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:44,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:44,964 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:44,966 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:44,967 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:44,969 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:44,970 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:44,970 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:44,970 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:44,971 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:44,972 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:44,973 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:44,973 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:44,974 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:44,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:44,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:44,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:44,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:44,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:44,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:45,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:45,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:45,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:45,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:45,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:45,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:45,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:45,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:45,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:45,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:45,004 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:45,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:45,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:45,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:45,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:45,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:45,006 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_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b17f77ffc9b60dd6edfa1d1cf71f248568a9cd6bbbccab8c3e61d5773c4168 [2023-11-23 21:27:45,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:45,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:45,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:45,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:45,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:45,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-23 21:27:48,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:49,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:49,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i [2023-11-23 21:27:49,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/data/45883fd25/3084a38d8e004f11b6fac2c22a3e1861/FLAG5cce38a48 [2023-11-23 21:27:49,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/data/45883fd25/3084a38d8e004f11b6fac2c22a3e1861 [2023-11-23 21:27:49,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:49,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:49,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:49,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:49,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:49,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:49" (1/1) ... [2023-11-23 21:27:49,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d62469e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:49, skipping insertion in model container [2023-11-23 21:27:49,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:49" (1/1) ... [2023-11-23 21:27:49,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:49,975 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_c5284800-6c9a-453a-893c-1a53043be67e/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-23 21:27:49,988 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_c5284800-6c9a-453a-893c-1a53043be67e/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-23 21:27:51,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,313 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,338 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,340 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,343 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,344 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,347 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,348 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,349 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,350 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:51,930 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:27:51,936 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:27:51,939 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:27:51,943 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:27:51,946 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:27:51,949 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:27:51,951 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:27:51,952 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:27:51,953 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:27:51,954 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:27:52,750 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,751 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,791 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,794 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,802 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,803 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,829 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,830 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,830 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,831 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,832 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:52,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:52,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:52,973 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_c5284800-6c9a-453a-893c-1a53043be67e/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4492,4505] [2023-11-23 21:27:52,973 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_c5284800-6c9a-453a-893c-1a53043be67e/sv-benchmarks/c/aws-c-common/aws_hash_iter_done_harness.i[4552,4565] [2023-11-23 21:27:53,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,029 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,030 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,032 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,033 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,099 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,100 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,101 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,102 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,102 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,172 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:27:53,173 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:27:53,174 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:27:53,175 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:27:53,175 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:27:53,177 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:27:53,178 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:27:53,178 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:27:53,179 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:27:53,181 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:27:53,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2023-11-23 21:27:53,367 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,381 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,382 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,396 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,397 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,399 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:27:53,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:53,786 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,787 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,787 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,787 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,787 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,787 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,788 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,789 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:53,797 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:53,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53 WrapperNode [2023-11-23 21:27:53,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:53,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:53,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:53,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:53,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:53,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,055 INFO L138 Inliner]: procedures = 772, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 644 [2023-11-23 21:27:54,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:54,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:54,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:54,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:54,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:54,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:54,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:54,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:54,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (1/1) ... [2023-11-23 21:27:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:54,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:54,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:27:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:27:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_done [2023-11-23 21:27:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_done [2023-11-23 21:27:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 21:27:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 21:27:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:27:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:27:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-23 21:27:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-23 21:27:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:27:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:27:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:27:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:27:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 21:27:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 21:27:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:27:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 21:27:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 21:27:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:27:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:27:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:27:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:27:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-23 21:27:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-23 21:27:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:27:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-23 21:27:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-23 21:27:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2023-11-23 21:27:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2023-11-23 21:27:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-23 21:27:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-23 21:27:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:27:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 21:27:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 21:27:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 21:27:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 21:27:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:54,700 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:54,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:55,602 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:55,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:55,927 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:27:55,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:55 BoogieIcfgContainer [2023-11-23 21:27:55,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:55,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:55,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:55,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:55,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:49" (1/3) ... [2023-11-23 21:27:55,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778c2387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:55, skipping insertion in model container [2023-11-23 21:27:55,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:53" (2/3) ... [2023-11-23 21:27:55,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778c2387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:55, skipping insertion in model container [2023-11-23 21:27:55,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:55" (3/3) ... [2023-11-23 21:27:55,944 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_done_harness.i [2023-11-23 21:27:55,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:55,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:56,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:56,049 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;@21887d92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:56,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:56,060 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) [2023-11-23 21:27:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:27:56,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:56,087 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] [2023-11-23 21:27:56,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:56,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:56,095 INFO L85 PathProgramCache]: Analyzing trace with hash -747613563, now seen corresponding path program 1 times [2023-11-23 21:27:56,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:56,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179142010] [2023-11-23 21:27:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:56,532 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:27:56,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747834893] [2023-11-23 21:27:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:27:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:56,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:27:56,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5284800-6c9a-453a-893c-1a53043be67e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:27:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:57,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:27:57,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 21:27:57,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:27:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 21:27:57,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179142010] [2023-11-23 21:27:57,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:27:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747834893] [2023-11-23 21:27:57,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747834893] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:27:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1408417764] [2023-11-23 21:27:57,838 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2023-11-23 21:27:57,838 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:27:57,843 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:27:57,850 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:27:57,850 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs