./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ --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 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:34,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:34,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:52:34,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:34,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:34,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:34,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:34,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:34,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:34,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:34,504 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:34,505 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:34,505 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:34,506 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:34,506 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:34,507 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:34,508 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:34,508 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:34,509 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:34,509 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:34,510 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:34,510 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:34,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:34,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:34,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:34,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:34,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:34,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:34,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:34,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:34,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:34,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:34,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:34,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:34,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:34,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:34,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:34,518 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:34,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:34,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:34,519 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:34,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:34,520 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2023-11-19 04:52:34,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:34,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:34,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:34,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:34,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:34,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-19 04:52:38,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:38,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:38,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2023-11-19 04:52:38,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/data/3206a98f1/7471852cf4ef4845956419c082a36ab8/FLAG5f5e8e8b0 [2023-11-19 04:52:38,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/data/3206a98f1/7471852cf4ef4845956419c082a36ab8 [2023-11-19 04:52:38,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:38,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:38,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:38,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:38,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:38,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:38" (1/1) ... [2023-11-19 04:52:38,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646de30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:38, skipping insertion in model container [2023-11-19 04:52:38,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:38" (1/1) ... [2023-11-19 04:52:39,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:39,452 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-19 04:52:39,462 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-19 04:52:40,886 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,887 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,888 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,889 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,890 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,907 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,908 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,910 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:40,911 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:41,596 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 04:52:41,604 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 04:52:41,606 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 04:52:41,611 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 04:52:41,614 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 04:52:41,618 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 04:52:41,619 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 04:52:41,622 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 04:52:41,626 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 04:52:41,629 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 04:52:42,041 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,042 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,409 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,409 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,438 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,439 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,446 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,447 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,470 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,472 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,473 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,473 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,474 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,476 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,476 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:42,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:42,635 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2023-11-19 04:52:42,635 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_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2023-11-19 04:52:42,696 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,701 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,701 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,702 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,703 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,715 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,716 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,717 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,718 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,766 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-19 04:52:42,767 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-19 04:52:42,768 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-19 04:52:42,769 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-19 04:52:42,770 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-19 04:52:42,770 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-19 04:52:42,771 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-19 04:52:42,772 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-19 04:52:42,773 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-19 04:52:42,773 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-19 04:52:42,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2023-11-19 04:52:42,868 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,874 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,975 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,976 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,986 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,987 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,991 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:42,992 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,052 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,053 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,053 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,054 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,054 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,054 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,055 WARN L1588 CHandler]: Possible shadowing of function index [2023-11-19 04:52:43,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:43,426 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,426 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,426 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,427 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,428 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,429 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,429 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,429 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,429 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:43,437 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:43,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43 WrapperNode [2023-11-19 04:52:43,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:43,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:43,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:43,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:43,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,694 INFO L138 Inliner]: procedures = 766, calls = 3259, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 398 [2023-11-19 04:52:43,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:43,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:43,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:43,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:43,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:43,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:43,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:43,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:43,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (1/1) ... [2023-11-19 04:52:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:43,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:43,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:43,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-19 04:52:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-19 04:52:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-19 04:52:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-19 04:52:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:52:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-19 04:52:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-19 04:52:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-19 04:52:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-19 04:52:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-19 04:52:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-19 04:52:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-19 04:52:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-19 04:52:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2023-11-19 04:52:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2023-11-19 04:52:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:44,186 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:44,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:44,793 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2023-11-19 04:52:44,820 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:44,941 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:44,941 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:52:44,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:44 BoogieIcfgContainer [2023-11-19 04:52:44,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:44,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:44,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:44,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:44,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:38" (1/3) ... [2023-11-19 04:52:44,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f68e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:44, skipping insertion in model container [2023-11-19 04:52:44,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:43" (2/3) ... [2023-11-19 04:52:44,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f68e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:44, skipping insertion in model container [2023-11-19 04:52:44,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:44" (3/3) ... [2023-11-19 04:52:44,957 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2023-11-19 04:52:44,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:44,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:45,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:45,044 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;@72614eb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:45,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:52:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:52:45,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:45,063 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-19 04:52:45,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:45,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1477606333, now seen corresponding path program 1 times [2023-11-19 04:52:45,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:45,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469346342] [2023-11-19 04:52:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:45,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 04:52:45,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:45,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469346342] [2023-11-19 04:52:45,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469346342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:45,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:45,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:45,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288292537] [2023-11-19 04:52:45,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:45,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:52:45,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:52:45,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:45,762 INFO L87 Difference]: Start difference. First operand has 91 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:52:45,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:45,858 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2023-11-19 04:52:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:52:45,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 64 [2023-11-19 04:52:45,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:45,870 INFO L225 Difference]: With dead ends: 117 [2023-11-19 04:52:45,870 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 04:52:45,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:45,877 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:45,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:52:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 04:52:45,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-19 04:52:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 04:52:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2023-11-19 04:52:45,928 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 64 [2023-11-19 04:52:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:45,930 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2023-11-19 04:52:45,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:52:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2023-11-19 04:52:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:52:45,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:45,935 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-19 04:52:45,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:52:45,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:45,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:45,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1161069532, now seen corresponding path program 1 times [2023-11-19 04:52:45,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:45,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906314195] [2023-11-19 04:52:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:45,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 04:52:46,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:46,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906314195] [2023-11-19 04:52:46,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906314195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:46,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:46,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 04:52:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781475502] [2023-11-19 04:52:46,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:46,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 04:52:46,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:46,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 04:52:46,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:52:46,869 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-19 04:52:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:47,175 INFO L93 Difference]: Finished difference Result 136 states and 171 transitions. [2023-11-19 04:52:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 04:52:47,176 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 66 [2023-11-19 04:52:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:47,178 INFO L225 Difference]: With dead ends: 136 [2023-11-19 04:52:47,179 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 04:52:47,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:52:47,181 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 51 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:47,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 742 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:52:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 04:52:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-19 04:52:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 04:52:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2023-11-19 04:52:47,200 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 66 [2023-11-19 04:52:47,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:47,200 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2023-11-19 04:52:47,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) [2023-11-19 04:52:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2023-11-19 04:52:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:52:47,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:47,203 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 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] [2023-11-19 04:52:47,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:52:47,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:47,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:47,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1100492989, now seen corresponding path program 1 times [2023-11-19 04:52:47,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:47,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841678233] [2023-11-19 04:52:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:47,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 04:52:48,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841678233] [2023-11-19 04:52:48,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841678233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:48,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:48,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 04:52:48,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755899573] [2023-11-19 04:52:48,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:48,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 04:52:48,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:48,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 04:52:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-19 04:52:48,427 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-19 04:52:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:48,931 INFO L93 Difference]: Finished difference Result 159 states and 207 transitions. [2023-11-19 04:52:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 04:52:48,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 70 [2023-11-19 04:52:48,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:48,936 INFO L225 Difference]: With dead ends: 159 [2023-11-19 04:52:48,936 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 04:52:48,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-11-19 04:52:48,939 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 89 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:48,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 832 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 04:52:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 04:52:48,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 100. [2023-11-19 04:52:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 56 states have internal predecessors, (62), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 04:52:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 129 transitions. [2023-11-19 04:52:48,988 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 129 transitions. Word has length 70 [2023-11-19 04:52:48,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:48,989 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 129 transitions. [2023-11-19 04:52:48,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-19 04:52:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions. [2023-11-19 04:52:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:52:48,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:48,999 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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] [2023-11-19 04:52:49,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:52:49,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:49,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1859317566, now seen corresponding path program 1 times [2023-11-19 04:52:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:49,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593724738] [2023-11-19 04:52:49,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:49,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 04:52:49,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:49,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593724738] [2023-11-19 04:52:49,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593724738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:49,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:49,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:52:49,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953085208] [2023-11-19 04:52:49,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:49,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:52:49,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:49,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:52:49,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:52:49,653 INFO L87 Difference]: Start difference. First operand 100 states and 129 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 04:52:49,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:49,809 INFO L93 Difference]: Finished difference Result 108 states and 137 transitions. [2023-11-19 04:52:49,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:52:49,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 74 [2023-11-19 04:52:49,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:49,816 INFO L225 Difference]: With dead ends: 108 [2023-11-19 04:52:49,816 INFO L226 Difference]: Without dead ends: 106 [2023-11-19 04:52:49,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:52:49,821 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:49,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 378 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:52:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-19 04:52:49,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2023-11-19 04:52:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 60 states have internal predecessors, (65), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 04:52:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 134 transitions. [2023-11-19 04:52:49,870 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 134 transitions. Word has length 74 [2023-11-19 04:52:49,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:49,871 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 134 transitions. [2023-11-19 04:52:49,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 04:52:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2023-11-19 04:52:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:52:49,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:49,875 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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] [2023-11-19 04:52:49,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:52:49,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:49,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:49,877 INFO L85 PathProgramCache]: Analyzing trace with hash -46762859, now seen corresponding path program 1 times [2023-11-19 04:52:49,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:49,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119143514] [2023-11-19 04:52:49,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:50,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:52:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:51,542 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:52:51,542 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:52:51,543 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:52:51,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:52:51,549 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 04:52:51,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:52:51,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated [2023-11-19 04:52:51,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret547 [2023-11-19 04:52:51,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 04:52:51,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite550 [2023-11-19 04:52:51,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 04:52:51,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2169 [2023-11-19 04:52:51,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 04:52:51,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 04:52:51,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2172 [2023-11-19 04:52:51,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 04:52:51,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 04:52:51,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 04:52:51,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 04:52:51,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 04:52:51,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 04:52:51,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:52:51 BoogieIcfgContainer [2023-11-19 04:52:51,693 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:52:51,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:52:51,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:52:51,695 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:52:51,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:44" (3/4) ... [2023-11-19 04:52:51,696 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:52:51,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated [2023-11-19 04:52:51,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret547 [2023-11-19 04:52:51,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 04:52:51,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated [2023-11-19 04:52:51,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite550 [2023-11-19 04:52:51,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret2169 [2023-11-19 04:52:51,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 04:52:51,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite2172 [2023-11-19 04:52:51,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated [2023-11-19 04:52:51,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 04:52:51,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated [2023-11-19 04:52:51,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 04:52:51,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated [2023-11-19 04:52:51,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated [2023-11-19 04:52:51,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated [2023-11-19 04:52:51,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated [2023-11-19 04:52:51,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated [2023-11-19 04:52:51,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 04:52:51,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated [2023-11-19 04:52:51,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated [2023-11-19 04:52:51,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated [2023-11-19 04:52:51,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:52:51,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:52:51,769 INFO L158 Benchmark]: Toolchain (without parser) took 12865.33ms. Allocated memory was 132.1MB in the beginning and 348.1MB in the end (delta: 216.0MB). Free memory was 81.2MB in the beginning and 258.8MB in the end (delta: -177.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,770 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:51,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4531.99ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 81.2MB in the beginning and 74.0MB in the end (delta: 7.2MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.96ms. Allocated memory is still 176.2MB. Free memory was 74.0MB in the beginning and 62.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,771 INFO L158 Benchmark]: Boogie Preprocessor took 116.23ms. Allocated memory is still 176.2MB. Free memory was 62.4MB in the beginning and 57.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,772 INFO L158 Benchmark]: RCFGBuilder took 1132.34ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 57.2MB in the beginning and 112.6MB in the end (delta: -55.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,772 INFO L158 Benchmark]: TraceAbstraction took 6743.70ms. Allocated memory was 241.2MB in the beginning and 348.1MB in the end (delta: 107.0MB). Free memory was 111.6MB in the beginning and 265.1MB in the end (delta: -153.5MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,773 INFO L158 Benchmark]: Witness Printer took 74.79ms. Allocated memory is still 348.1MB. Free memory was 265.1MB in the beginning and 258.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:52:51,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4531.99ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 81.2MB in the beginning and 74.0MB in the end (delta: 7.2MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.96ms. Allocated memory is still 176.2MB. Free memory was 74.0MB in the beginning and 62.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.23ms. Allocated memory is still 176.2MB. Free memory was 62.4MB in the beginning and 57.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.34ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 57.2MB in the beginning and 112.6MB in the end (delta: -55.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6743.70ms. Allocated memory was 241.2MB in the beginning and 348.1MB in the end (delta: 107.0MB). Free memory was 111.6MB in the beginning and 265.1MB in the end (delta: -153.5MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. * Witness Printer took 74.79ms. Allocated memory is still 348.1MB. Free memory was 265.1MB in the beginning and 258.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8223]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret547 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite550 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2169 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2172 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret545 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret547 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret548 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite550 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret2169 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite2172 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2170 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2018 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2019 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2099 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2023 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2022 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2021 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6867-L6872] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7602-L7614] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L11294] CALL aws_hash_callback_string_eq_harness() [L11284] CALL, EXPR ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6802] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L266] return __VERIFIER_nondet_ulong(); [L6802] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=96, max_size=96, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6802] size_t len = nondet_uint64_t(); [L6803] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6803] RET assume_abort_if_not(len < max_size) VAL [\old(max_size)=96, len=1, max_size=96, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6804] CALL, EXPR ensure_string_is_allocated(len) [L6808] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=18, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6884-L6886] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L6884-L6886] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=18, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, size=18] [L6887] return malloc(size); [L6808] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(len)=1, len=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L6808] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6811] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L261] return __VERIFIER_nondet_bool(); [L6811] RET, EXPR nondet_bool() VAL [\old(len)=1, len=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6811-L6812] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [\old(len)=1, len=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6811-L6812] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6814] *(size_t *)(&str->len) = len [L6815] *(uint8_t *)&str->bytes[len] = '\0' [L6816] return str; [L6804] RET, EXPR ensure_string_is_allocated(len) [L6804] return ensure_string_is_allocated(len); [L11284] RET, EXPR ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11284] const struct aws_string *str1 = ensure_string_is_allocated_bounded_length(96); [L11285] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L261] return __VERIFIER_nondet_bool(); [L11285] RET, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11285] EXPR nondet_bool() ? str1 : ensure_string_is_allocated_bounded_length(96) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str1={-2:0}] [L11285] const struct aws_string *str2 = nondet_bool() ? str1 : ensure_string_is_allocated_bounded_length(96); [L11288] CALL aws_hash_callback_string_eq(str1, str2) [L10771] CALL, EXPR aws_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L10771] RET, EXPR aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10771] CALL assume_abort_if_not((aws_string_is_valid(a))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L10771] RET assume_abort_if_not((aws_string_is_valid(a))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10772] CALL, EXPR aws_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L10772] RET, EXPR aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10772] CALL assume_abort_if_not((aws_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L10772] RET assume_abort_if_not((aws_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10775] CALL, EXPR aws_string_eq(a, b) [L11024] EXPR !a || aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] CALL, EXPR aws_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L11024] RET, EXPR aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] EXPR !a || aws_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11024] CALL assume_abort_if_not((!a || aws_string_is_valid(a))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L11024] RET assume_abort_if_not((!a || aws_string_is_valid(a))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] EXPR !b || aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] CALL, EXPR aws_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str->len [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] EXPR str->len [L6245] EXPR str->bytes[str->len] [L6245] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6245] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L11025] RET, EXPR aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] EXPR !b || aws_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11025] CALL assume_abort_if_not((!b || aws_string_is_valid(b))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L211] COND FALSE !(!cond) [L11025] RET assume_abort_if_not((!b || aws_string_is_valid(b))) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L11026] COND TRUE a == b [L11027-L11029] return 1 ; VAL [\result=1, a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10775] RET, EXPR aws_string_eq(a, b) [L10774-L10775] _Bool rval = aws_string_eq(a, b); [L10776] CALL, EXPR aws_c_string_is_valid(a) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6260] return str && ((((1)) == 0) || ((str))); [L10776] RET, EXPR aws_c_string_is_valid(a) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] CALL, EXPR aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}, str={-2:0}] [L6260] return str && ((((1)) == 0) || ((str))); [L10776] RET, EXPR aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] EXPR aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [a={-2:0}, a={-2:0}, b={-2:0}, b={-2:0}, rval=1, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L10776] CALL __VERIFIER_assert(!((aws_c_string_is_valid(a) && aws_c_string_is_valid(b)))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, s_tolower_table={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 2058 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1677 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 481 IncrementalHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 381 mSDtfsCounter, 481 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 150/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:52:51,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd2c18e-ad19-4d45-afea-b1a76b6a23a4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE