./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:19,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:20,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:21:20,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:20,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:20,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:20,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:20,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:20,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:20,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:20,061 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:20,063 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:20,063 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:20,067 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:20,069 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:20,069 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:20,070 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:20,070 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:20,071 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:20,071 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:20,071 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:20,072 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:20,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:20,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:20,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:20,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:20,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:20,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:20,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:20,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:20,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:20,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:20,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:20,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:20,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:20,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:20,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:20,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:20,078 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:20,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:20,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:20,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:20,079 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:20,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:20,080 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_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 489929a5e16ca7b6c37431f1402d7909a8c53c05fad96c5d5ea6a1c3ea89ee37 [2023-11-23 21:21:20,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:20,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:20,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:20,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:20,394 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:20,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-23 21:21:23,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:24,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:24,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2023-11-23 21:21:24,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/data/5ef1b769d/c443aedef5e9497f86f8254c61bb3744/FLAGbb38d041b [2023-11-23 21:21:24,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/data/5ef1b769d/c443aedef5e9497f86f8254c61bb3744 [2023-11-23 21:21:24,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:24,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:24,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:24,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:24,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:24,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:24" (1/1) ... [2023-11-23 21:21:24,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5091b637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:24, skipping insertion in model container [2023-11-23 21:21:24,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:24" (1/1) ... [2023-11-23 21:21:24,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:25,026 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_220487f6-d0ef-4a06-8a49-76857c190b56/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2023-11-23 21:21:25,037 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_220487f6-d0ef-4a06-8a49-76857c190b56/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2023-11-23 21:21:26,481 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,489 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,490 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,495 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,498 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,529 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,532 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,539 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,541 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,548 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:26,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:27,292 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:21:27,294 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:21:27,295 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:21:27,297 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:21:27,299 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:21:27,300 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:21:27,301 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:21:27,302 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:21:27,303 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:21:27,303 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:21:28,121 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,166 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,167 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,176 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,177 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,202 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,203 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,204 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,204 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,205 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:28,332 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:28,359 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_220487f6-d0ef-4a06-8a49-76857c190b56/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2023-11-23 21:21:28,359 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_220487f6-d0ef-4a06-8a49-76857c190b56/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2023-11-23 21:21:28,500 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,501 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,503 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,504 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,514 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,516 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,517 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,518 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,597 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 21:21:28,598 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 21:21:28,599 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 21:21:28,599 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 21:21:28,600 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 21:21:28,601 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 21:21:28,602 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 21:21:28,603 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 21:21:28,603 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 21:21:28,605 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 21:21:28,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2023-11-23 21:21:28,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,768 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,779 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,782 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,782 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,798 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,799 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,799 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,800 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,800 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,801 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,802 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 21:21:28,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:29,160 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,161 WARN L675 CHandler]: The function equals_fn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,161 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,161 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,161 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,161 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,162 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,163 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:21:29,171 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:29,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29 WrapperNode [2023-11-23 21:21:29,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:29,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:29,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:29,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:29,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,515 INFO L138 Inliner]: procedures = 773, calls = 2490, calls flagged for inlining = 70, calls inlined = 25, statements flattened = 1457 [2023-11-23 21:21:29,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:29,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:29,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:29,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:29,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:29,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:29,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:29,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:29,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:29,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:29,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:21:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 21:21:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 21:21:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-23 21:21:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 21:21:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 21:21:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:21:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:21:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2023-11-23 21:21:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2023-11-23 21:21:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:21:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:21:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2023-11-23 21:21:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2023-11-23 21:21:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 21:21:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 21:21:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 21:21:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 21:21:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:21:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 21:21:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 21:21:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:21:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-23 21:21:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-23 21:21:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:21:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 21:21:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 21:21:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2023-11-23 21:21:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2023-11-23 21:21:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2023-11-23 21:21:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2023-11-23 21:21:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2023-11-23 21:21:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2023-11-23 21:21:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2023-11-23 21:21:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2023-11-23 21:21:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2023-11-23 21:21:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2023-11-23 21:21:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:21:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-23 21:21:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-23 21:21:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:21:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2023-11-23 21:21:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2023-11-23 21:21:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:21:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2023-11-23 21:21:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2023-11-23 21:21:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2023-11-23 21:21:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2023-11-23 21:21:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2023-11-23 21:21:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2023-11-23 21:21:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2023-11-23 21:21:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2023-11-23 21:21:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2023-11-23 21:21:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2023-11-23 21:21:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:21:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 21:21:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 21:21:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 21:21:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 21:21:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-23 21:21:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-23 21:21:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2023-11-23 21:21:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2023-11-23 21:21:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:21:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:21:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:30,306 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:30,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:30,646 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2023-11-23 21:21:30,687 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2023-11-23 21:21:31,272 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2023-11-23 21:21:31,273 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2023-11-23 21:21:32,611 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:33,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:33,279 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 21:21:33,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:33 BoogieIcfgContainer [2023-11-23 21:21:33,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:33,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:33,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:33,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:33,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:24" (1/3) ... [2023-11-23 21:21:33,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f61da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:33, skipping insertion in model container [2023-11-23 21:21:33,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29" (2/3) ... [2023-11-23 21:21:33,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f61da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:33, skipping insertion in model container [2023-11-23 21:21:33,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:33" (3/3) ... [2023-11-23 21:21:33,294 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2023-11-23 21:21:33,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:33,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:33,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:33,416 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;@3b71ea39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:33,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 286 states, 173 states have (on average 1.260115606936416) internal successors, (218), 170 states have internal predecessors, (218), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-23 21:21:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 21:21:33,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:33,444 INFO L195 NwaCegarLoop]: trace histogram [9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:33,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:33,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:33,454 INFO L85 PathProgramCache]: Analyzing trace with hash 74335190, now seen corresponding path program 1 times [2023-11-23 21:21:33,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:33,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943421272] [2023-11-23 21:21:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:34,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:34,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319439622] [2023-11-23 21:21:34,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:34,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:34,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:34,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:34,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220487f6-d0ef-4a06-8a49-76857c190b56/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:34,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 21:21:35,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:35,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:21:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-23 21:21:36,022 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:36,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:36,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943421272] [2023-11-23 21:21:36,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:21:36,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319439622] [2023-11-23 21:21:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319439622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:36,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:36,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 21:21:36,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510778215] [2023-11-23 21:21:36,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:36,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:21:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:21:36,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:21:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:21:36,074 INFO L87 Difference]: Start difference. First operand has 286 states, 173 states have (on average 1.260115606936416) internal successors, (218), 170 states have internal predecessors, (218), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-23 21:21:39,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 21:21:41,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:43,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:45,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:47,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:49,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:51,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:53,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:56,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:58,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:00,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:03,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:05,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:07,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:09,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:11,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:13,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:15,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:17,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:20,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:22,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:24,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:26,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]