./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/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_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/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_00e71feb-89aa-4abf-a3f3-b325efd019f1/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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:10,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:10,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:38:10,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:10,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:10,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:10,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:10,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:10,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:10,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:10,708 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:10,709 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:10,709 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:10,711 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:10,711 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:10,712 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:10,712 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:10,713 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:10,713 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:10,714 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:10,714 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:10,715 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:10,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:10,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:10,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:10,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:10,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:10,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:10,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:10,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:10,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:10,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:10,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:10,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:10,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:10,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:10,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:10,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:10,735 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:10,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:10,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:10,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:10,738 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:10,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:10,739 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_00e71feb-89aa-4abf-a3f3-b325efd019f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2023-11-23 20:38:11,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:11,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:11,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:11,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:11,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:11,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2023-11-23 20:38:14,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:14,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:14,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2023-11-23 20:38:14,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/data/80e526108/458f07bcd06a4672a105bb908d9bfedd/FLAG7358f5f3e [2023-11-23 20:38:14,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/data/80e526108/458f07bcd06a4672a105bb908d9bfedd [2023-11-23 20:38:14,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:14,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:14,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:14,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:14,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:14,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:14,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e15806a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:14, skipping insertion in model container [2023-11-23 20:38:14,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:14" (1/1) ... [2023-11-23 20:38:15,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:15,293 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_00e71feb-89aa-4abf-a3f3-b325efd019f1/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2023-11-23 20:38:15,303 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_00e71feb-89aa-4abf-a3f3-b325efd019f1/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2023-11-23 20:38:16,432 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,433 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,434 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,435 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,437 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,462 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,463 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,466 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,467 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,469 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,471 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,472 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:16,472 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,056 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:38:17,057 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:38:17,059 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:38:17,060 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:38:17,062 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:38:17,063 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:38:17,064 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:38:17,065 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:38:17,066 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:38:17,066 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:38:17,381 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,399 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,516 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,517 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,518 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,525 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,525 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,526 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,526 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,527 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,527 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,531 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,532 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,532 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,540 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,544 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,559 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,560 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:17,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:17,680 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_00e71feb-89aa-4abf-a3f3-b325efd019f1/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2023-11-23 20:38:17,683 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_00e71feb-89aa-4abf-a3f3-b325efd019f1/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2023-11-23 20:38:17,741 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,746 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,746 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,747 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,747 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,755 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,756 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,761 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,762 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,763 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,763 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,808 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:38:17,810 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:38:17,811 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:38:17,812 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:38:17,813 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:38:17,813 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:38:17,814 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:38:17,814 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:38:17,814 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:38:17,815 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:38:17,871 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,875 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2023-11-23 20:38:17,907 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,908 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,908 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,911 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,911 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,911 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,912 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,912 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,913 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,913 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,914 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,914 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,917 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,917 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,923 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:38:17,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:18,269 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,270 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,271 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,271 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,271 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,272 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,272 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,272 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,273 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,273 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,273 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,273 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,274 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,274 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,274 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:38:18,282 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:18,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18 WrapperNode [2023-11-23 20:38:18,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:18,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:18,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:18,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:18,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,606 INFO L138 Inliner]: procedures = 697, calls = 1969, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 789 [2023-11-23 20:38:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:18,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:18,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:18,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:18,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:18,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:18,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:18,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:18,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (1/1) ... [2023-11-23 20:38:18,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:18,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:18,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-23 20:38:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-23 20:38:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:38:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-23 20:38:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-23 20:38:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-23 20:38:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-23 20:38:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 20:38:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 20:38:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:38:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 20:38:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 20:38:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:38:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:38:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:38:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:38:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:38:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:38:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-23 20:38:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-23 20:38:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-23 20:38:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-23 20:38:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-23 20:38:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-23 20:38:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-23 20:38:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-23 20:38:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-23 20:38:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-23 20:38:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:38:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:38:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:38:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:38:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:38:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:38:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:38:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-23 20:38:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-23 20:38:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:38:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-23 20:38:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-23 20:38:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 20:38:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-23 20:38:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:19,260 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:19,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:20,694 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:21,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:21,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:21,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:21 BoogieIcfgContainer [2023-11-23 20:38:21,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:21,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:21,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:21,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:21,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:14" (1/3) ... [2023-11-23 20:38:21,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192012d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:21, skipping insertion in model container [2023-11-23 20:38:21,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:18" (2/3) ... [2023-11-23 20:38:21,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192012d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:21, skipping insertion in model container [2023-11-23 20:38:21,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:21" (3/3) ... [2023-11-23 20:38:21,061 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2023-11-23 20:38:21,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:21,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:21,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:21,179 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;@578ac2b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:21,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 103 states have (on average 1.1844660194174756) internal successors, (122), 104 states have internal predecessors, (122), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-11-23 20:38:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 20:38:21,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:21,209 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:21,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:21,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1817991863, now seen corresponding path program 1 times [2023-11-23 20:38:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629184673] [2023-11-23 20:38:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:21,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:38:21,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744479778] [2023-11-23 20:38:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:21,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:21,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:38:21,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:38:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:22,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 2317 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:38:22,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-23 20:38:22,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:22,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:22,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629184673] [2023-11-23 20:38:22,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:38:22,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744479778] [2023-11-23 20:38:22,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744479778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:22,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:22,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:22,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016117345] [2023-11-23 20:38:22,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:22,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:22,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:22,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:22,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:22,796 INFO L87 Difference]: Start difference. First operand has 181 states, 103 states have (on average 1.1844660194174756) internal successors, (122), 104 states have internal predecessors, (122), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:38:23,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:23,376 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2023-11-23 20:38:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:23,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 110 [2023-11-23 20:38:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:23,392 INFO L225 Difference]: With dead ends: 283 [2023-11-23 20:38:23,392 INFO L226 Difference]: Without dead ends: 187 [2023-11-23 20:38:23,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:38:23,401 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 5 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:23,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1060 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:23,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-23 20:38:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 186. [2023-11-23 20:38:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 106 states have (on average 1.169811320754717) internal successors, (124), 108 states have internal predecessors, (124), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2023-11-23 20:38:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2023-11-23 20:38:23,473 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 246 transitions. Word has length 110 [2023-11-23 20:38:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:23,474 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 246 transitions. [2023-11-23 20:38:23,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:38:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-11-23 20:38:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 20:38:23,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:23,480 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:23,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:23,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:38:23,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:23,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1891393959, now seen corresponding path program 1 times [2023-11-23 20:38:23,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352229801] [2023-11-23 20:38:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:23,909 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:38:23,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247856582] [2023-11-23 20:38:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:23,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:38:23,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 20:38:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:24,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 2373 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:38:24,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-23 20:38:24,771 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:24,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:24,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352229801] [2023-11-23 20:38:24,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:38:24,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247856582] [2023-11-23 20:38:24,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247856582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:24,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:24,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:38:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250041311] [2023-11-23 20:38:24,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:24,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:38:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:24,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:38:24,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:38:24,782 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-23 20:38:25,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:25,412 INFO L93 Difference]: Finished difference Result 329 states and 431 transitions. [2023-11-23 20:38:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:38:25,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 118 [2023-11-23 20:38:25,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:25,420 INFO L225 Difference]: With dead ends: 329 [2023-11-23 20:38:25,420 INFO L226 Difference]: Without dead ends: 156 [2023-11-23 20:38:25,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:38:25,426 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 60 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:25,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 838 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:38:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-23 20:38:25,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-11-23 20:38:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 53 states have call successors, (53), 14 states have call predecessors, (53), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 20:38:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 206 transitions. [2023-11-23 20:38:25,469 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 206 transitions. Word has length 118 [2023-11-23 20:38:25,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:25,470 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 206 transitions. [2023-11-23 20:38:25,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-23 20:38:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2023-11-23 20:38:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:38:25,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:25,481 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:25,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:25,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:25,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:25,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:25,699 INFO L85 PathProgramCache]: Analyzing trace with hash 395739027, now seen corresponding path program 1 times [2023-11-23 20:38:25,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:25,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134672156] [2023-11-23 20:38:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:25,875 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:38:25,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550013460] [2023-11-23 20:38:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:25,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:25,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:25,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:38:25,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 20:38:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:26,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:38:26,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 20:38:26,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:26,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134672156] [2023-11-23 20:38:26,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:38:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550013460] [2023-11-23 20:38:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550013460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:26,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:26,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:38:26,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737882623] [2023-11-23 20:38:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:26,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:38:26,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:26,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:38:26,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:26,540 INFO L87 Difference]: Start difference. First operand 156 states and 206 transitions. Second operand has 5 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 20:38:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:26,920 INFO L93 Difference]: Finished difference Result 170 states and 216 transitions. [2023-11-23 20:38:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:38:26,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 116 [2023-11-23 20:38:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:26,922 INFO L225 Difference]: With dead ends: 170 [2023-11-23 20:38:26,922 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:38:26,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:26,924 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:26,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:38:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:38:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:38:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:38:26,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2023-11-23 20:38:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:26,927 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:38:26,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-23 20:38:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:38:26,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:38:26,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:38:26,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:38:27,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:27,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:38:27,257 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6919 6924) the Hoare annotation is: true [2023-11-23 20:38:27,257 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6919 6924) no Hoare annotation was computed. [2023-11-23 20:38:27,258 INFO L899 garLoopResultBuilder]: For program point L6920-1(lines 6920 6922) no Hoare annotation was computed. [2023-11-23 20:38:27,258 INFO L902 garLoopResultBuilder]: At program point L6920(lines 6920 6922) the Hoare annotation is: true [2023-11-23 20:38:27,258 INFO L899 garLoopResultBuilder]: For program point L8258-1(line 8258) no Hoare annotation was computed. [2023-11-23 20:38:27,258 INFO L899 garLoopResultBuilder]: For program point L8246(lines 8246 8250) no Hoare annotation was computed. [2023-11-23 20:38:27,258 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8243 8264) no Hoare annotation was computed. [2023-11-23 20:38:27,259 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointers_valid_returnLabel#1(lines 8185 8240) no Hoare annotation was computed. [2023-11-23 20:38:27,259 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8243 8264) the Hoare annotation is: true [2023-11-23 20:38:27,259 INFO L899 garLoopResultBuilder]: For program point L8197-1(line 8197) no Hoare annotation was computed. [2023-11-23 20:38:27,259 INFO L895 garLoopResultBuilder]: At program point L8197(line 8197) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 20:38:27,260 INFO L899 garLoopResultBuilder]: For program point L8187(lines 8187 8191) no Hoare annotation was computed. [2023-11-23 20:38:27,260 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8243 8264) no Hoare annotation was computed. [2023-11-23 20:38:27,260 INFO L899 garLoopResultBuilder]: For program point L8239(line 8239) no Hoare annotation was computed. [2023-11-23 20:38:27,260 INFO L899 garLoopResultBuilder]: For program point L8239-4(line 8239) no Hoare annotation was computed. [2023-11-23 20:38:27,260 INFO L899 garLoopResultBuilder]: For program point L8239-3(line 8239) no Hoare annotation was computed. [2023-11-23 20:38:27,261 INFO L895 garLoopResultBuilder]: At program point L8239-2(line 8239) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 20:38:27,261 INFO L895 garLoopResultBuilder]: At program point L8258(line 8258) the Hoare annotation is: (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|)) [2023-11-23 20:38:27,261 INFO L899 garLoopResultBuilder]: For program point L6735-1(line 6735) no Hoare annotation was computed. [2023-11-23 20:38:27,262 INFO L902 garLoopResultBuilder]: At program point L6735(line 6735) the Hoare annotation is: true [2023-11-23 20:38:27,262 INFO L899 garLoopResultBuilder]: For program point L6737-1(line 6737) no Hoare annotation was computed. [2023-11-23 20:38:27,262 INFO L902 garLoopResultBuilder]: At program point L6737(line 6737) the Hoare annotation is: true [2023-11-23 20:38:27,262 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6730 6742) no Hoare annotation was computed. [2023-11-23 20:38:27,262 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6730 6742) the Hoare annotation is: true [2023-11-23 20:38:27,262 INFO L899 garLoopResultBuilder]: For program point L6731-4(lines 6730 6742) no Hoare annotation was computed. [2023-11-23 20:38:27,263 INFO L899 garLoopResultBuilder]: For program point L6731-2(lines 6731 6741) no Hoare annotation was computed. [2023-11-23 20:38:27,263 INFO L902 garLoopResultBuilder]: At program point L6738(line 6738) the Hoare annotation is: true [2023-11-23 20:38:27,263 INFO L899 garLoopResultBuilder]: For program point L6740-1(line 6740) no Hoare annotation was computed. [2023-11-23 20:38:27,263 INFO L902 garLoopResultBuilder]: At program point L6740(line 6740) the Hoare annotation is: true [2023-11-23 20:38:27,264 INFO L899 garLoopResultBuilder]: For program point L6738-3(lines 6738 6740) no Hoare annotation was computed. [2023-11-23 20:38:27,264 INFO L899 garLoopResultBuilder]: For program point L6738-1(lines 6738 6740) no Hoare annotation was computed. [2023-11-23 20:38:27,265 INFO L899 garLoopResultBuilder]: For program point L6732-1(lines 6732 6734) no Hoare annotation was computed. [2023-11-23 20:38:27,265 INFO L902 garLoopResultBuilder]: At program point L6732(lines 6732 6734) the Hoare annotation is: true [2023-11-23 20:38:27,266 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6716 6728) no Hoare annotation was computed. [2023-11-23 20:38:27,266 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6716 6728) the Hoare annotation is: true [2023-11-23 20:38:27,266 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2023-11-23 20:38:27,266 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2935 2962) the Hoare annotation is: true [2023-11-23 20:38:27,266 INFO L899 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2023-11-23 20:38:27,267 INFO L902 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2023-11-23 20:38:27,267 INFO L899 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2023-11-23 20:38:27,267 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2023-11-23 20:38:27,267 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-23 20:38:27,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-23 20:38:27,267 INFO L899 garLoopResultBuilder]: For program point L7166(lines 7166 7168) no Hoare annotation was computed. [2023-11-23 20:38:27,268 INFO L899 garLoopResultBuilder]: For program point L7167-1(line 7167) no Hoare annotation was computed. [2023-11-23 20:38:27,268 INFO L902 garLoopResultBuilder]: At program point L7167(line 7167) the Hoare annotation is: true [2023-11-23 20:38:27,268 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7165 7169) no Hoare annotation was computed. [2023-11-23 20:38:27,268 INFO L899 garLoopResultBuilder]: For program point L7166-2(lines 7165 7169) no Hoare annotation was computed. [2023-11-23 20:38:27,268 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7165 7169) the Hoare annotation is: true [2023-11-23 20:38:27,269 INFO L899 garLoopResultBuilder]: For program point nondet_size_tEXIT(line 263) no Hoare annotation was computed. [2023-11-23 20:38:27,270 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 263) the Hoare annotation is: true [2023-11-23 20:38:27,270 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2023-11-23 20:38:27,270 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2023-11-23 20:38:27,270 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2586 2594) the Hoare annotation is: true [2023-11-23 20:38:27,270 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2497 2502) no Hoare annotation was computed. [2023-11-23 20:38:27,270 INFO L902 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: true [2023-11-23 20:38:27,271 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2023-11-23 20:38:27,271 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2023-11-23 20:38:27,272 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8146 8162) no Hoare annotation was computed. [2023-11-23 20:38:27,273 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8146 8162) the Hoare annotation is: true [2023-11-23 20:38:27,273 INFO L899 garLoopResultBuilder]: For program point L8148-1(lines 8148 8152) no Hoare annotation was computed. [2023-11-23 20:38:27,274 INFO L902 garLoopResultBuilder]: At program point L8148(line 8148) the Hoare annotation is: true [2023-11-23 20:38:27,274 INFO L902 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2023-11-23 20:38:27,275 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2023-11-23 20:38:27,275 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2023-11-23 20:38:27,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2331 2348) the Hoare annotation is: true [2023-11-23 20:38:27,275 INFO L899 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2023-11-23 20:38:27,275 INFO L899 garLoopResultBuilder]: For program point L6939-1(line 6939) no Hoare annotation was computed. [2023-11-23 20:38:27,276 INFO L902 garLoopResultBuilder]: At program point L6939(line 6939) the Hoare annotation is: true [2023-11-23 20:38:27,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6936 6940) the Hoare annotation is: true [2023-11-23 20:38:27,276 INFO L899 garLoopResultBuilder]: For program point L6937-3(lines 6937 6939) no Hoare annotation was computed. [2023-11-23 20:38:27,276 INFO L899 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2023-11-23 20:38:27,276 INFO L902 garLoopResultBuilder]: At program point L6937(line 6937) the Hoare annotation is: true [2023-11-23 20:38:27,276 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6936 6940) no Hoare annotation was computed. [2023-11-23 20:38:27,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-23 20:38:27,277 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-23 20:38:27,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: true [2023-11-23 20:38:27,277 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-23 20:38:27,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6928) the Hoare annotation is: true [2023-11-23 20:38:27,277 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6926 6928) no Hoare annotation was computed. [2023-11-23 20:38:27,278 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-23 20:38:27,278 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: true [2023-11-23 20:38:27,278 INFO L899 garLoopResultBuilder]: For program point L8417-1(line 8417) no Hoare annotation was computed. [2023-11-23 20:38:27,278 INFO L895 garLoopResultBuilder]: At program point L8442(line 8442) the Hoare annotation is: false [2023-11-23 20:38:27,278 INFO L895 garLoopResultBuilder]: At program point L8417(line 8417) the Hoare annotation is: false [2023-11-23 20:38:27,278 INFO L899 garLoopResultBuilder]: For program point L8442-1(line 8442) no Hoare annotation was computed. [2023-11-23 20:38:27,279 INFO L899 garLoopResultBuilder]: For program point L7187-1(line 7187) no Hoare annotation was computed. [2023-11-23 20:38:27,279 INFO L895 garLoopResultBuilder]: At program point L7187(line 7187) the Hoare annotation is: false [2023-11-23 20:38:27,279 INFO L899 garLoopResultBuilder]: For program point L7179(lines 7179 7196) no Hoare annotation was computed. [2023-11-23 20:38:27,279 INFO L895 garLoopResultBuilder]: At program point L8451(line 8451) the Hoare annotation is: false [2023-11-23 20:38:27,279 INFO L899 garLoopResultBuilder]: For program point L8451-1(line 8451) no Hoare annotation was computed. [2023-11-23 20:38:27,279 INFO L895 garLoopResultBuilder]: At program point L8418(line 8418) the Hoare annotation is: false [2023-11-23 20:38:27,280 INFO L899 garLoopResultBuilder]: For program point L7171(lines 7171 7177) no Hoare annotation was computed. [2023-11-23 20:38:27,280 INFO L895 garLoopResultBuilder]: At program point L8443(line 8443) the Hoare annotation is: false [2023-11-23 20:38:27,280 INFO L899 garLoopResultBuilder]: For program point L8443-1(line 8443) no Hoare annotation was computed. [2023-11-23 20:38:27,281 INFO L899 garLoopResultBuilder]: For program point L8418-1(line 8418) no Hoare annotation was computed. [2023-11-23 20:38:27,281 INFO L895 garLoopResultBuilder]: At program point L6792-1(line 6792) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,281 INFO L895 garLoopResultBuilder]: At program point L6792(line 6792) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,281 INFO L895 garLoopResultBuilder]: At program point L8419-1(line 8419) the Hoare annotation is: false [2023-11-23 20:38:27,281 INFO L895 garLoopResultBuilder]: At program point L8419(line 8419) the Hoare annotation is: false [2023-11-23 20:38:27,285 INFO L899 garLoopResultBuilder]: For program point L7172(lines 7172 7176) no Hoare annotation was computed. [2023-11-23 20:38:27,286 INFO L895 garLoopResultBuilder]: At program point L8444(line 8444) the Hoare annotation is: false [2023-11-23 20:38:27,286 INFO L899 garLoopResultBuilder]: For program point L8444-1(line 8444) no Hoare annotation was computed. [2023-11-23 20:38:27,286 INFO L899 garLoopResultBuilder]: For program point L8419-2(line 8419) no Hoare annotation was computed. [2023-11-23 20:38:27,286 INFO L895 garLoopResultBuilder]: At program point L8436(line 8436) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,286 INFO L899 garLoopResultBuilder]: For program point L8436-1(line 8436) no Hoare annotation was computed. [2023-11-23 20:38:27,286 INFO L899 garLoopResultBuilder]: For program point L7189-1(line 7189) no Hoare annotation was computed. [2023-11-23 20:38:27,287 INFO L895 garLoopResultBuilder]: At program point L7189(line 7189) the Hoare annotation is: false [2023-11-23 20:38:27,287 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:38:27,287 INFO L895 garLoopResultBuilder]: At program point L8453(line 8453) the Hoare annotation is: false [2023-11-23 20:38:27,287 INFO L899 garLoopResultBuilder]: For program point L8486-1(line 8486) no Hoare annotation was computed. [2023-11-23 20:38:27,287 INFO L899 garLoopResultBuilder]: For program point L8453-1(line 8453) no Hoare annotation was computed. [2023-11-23 20:38:27,287 INFO L899 garLoopResultBuilder]: For program point L6793(line 6793) no Hoare annotation was computed. [2023-11-23 20:38:27,288 INFO L899 garLoopResultBuilder]: For program point L8420-2(line 8420) no Hoare annotation was computed. [2023-11-23 20:38:27,288 INFO L895 garLoopResultBuilder]: At program point L8420-1(line 8420) the Hoare annotation is: false [2023-11-23 20:38:27,288 INFO L899 garLoopResultBuilder]: For program point L7173-1(line 7173) no Hoare annotation was computed. [2023-11-23 20:38:27,288 INFO L895 garLoopResultBuilder]: At program point L8420(line 8420) the Hoare annotation is: false [2023-11-23 20:38:27,288 INFO L895 garLoopResultBuilder]: At program point L7173(line 7173) the Hoare annotation is: false [2023-11-23 20:38:27,288 INFO L895 garLoopResultBuilder]: At program point L8486(line 8486) the Hoare annotation is: false [2023-11-23 20:38:27,289 INFO L895 garLoopResultBuilder]: At program point L8478-1(line 8478) the Hoare annotation is: false [2023-11-23 20:38:27,289 INFO L899 garLoopResultBuilder]: For program point L8478-2(line 8478) no Hoare annotation was computed. [2023-11-23 20:38:27,289 INFO L895 garLoopResultBuilder]: At program point L8478(line 8478) the Hoare annotation is: false [2023-11-23 20:38:27,289 INFO L895 garLoopResultBuilder]: At program point L7190(line 7190) the Hoare annotation is: false [2023-11-23 20:38:27,289 INFO L899 garLoopResultBuilder]: For program point L7190-1(line 7190) no Hoare annotation was computed. [2023-11-23 20:38:27,289 INFO L899 garLoopResultBuilder]: For program point L8462-1(line 8462) no Hoare annotation was computed. [2023-11-23 20:38:27,292 INFO L895 garLoopResultBuilder]: At program point L8462(line 8462) the Hoare annotation is: false [2023-11-23 20:38:27,292 INFO L895 garLoopResultBuilder]: At program point L7174(line 7174) the Hoare annotation is: false [2023-11-23 20:38:27,292 INFO L895 garLoopResultBuilder]: At program point L6786(lines 6786 6787) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,292 INFO L895 garLoopResultBuilder]: At program point L8487(line 8487) the Hoare annotation is: false [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L7174-1(line 7174) no Hoare annotation was computed. [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L8487-1(line 8487) no Hoare annotation was computed. [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L8446-2(lines 8446 8454) no Hoare annotation was computed. [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L6786-1(lines 6786 6787) no Hoare annotation was computed. [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L8446(lines 8446 8454) no Hoare annotation was computed. [2023-11-23 20:38:27,293 INFO L899 garLoopResultBuilder]: For program point L7191-1(line 7191) no Hoare annotation was computed. [2023-11-23 20:38:27,294 INFO L895 garLoopResultBuilder]: At program point L7191(line 7191) the Hoare annotation is: false [2023-11-23 20:38:27,294 INFO L895 garLoopResultBuilder]: At program point L8463(line 8463) the Hoare annotation is: false [2023-11-23 20:38:27,295 INFO L899 garLoopResultBuilder]: For program point L8463-1(line 8463) no Hoare annotation was computed. [2023-11-23 20:38:27,295 INFO L899 garLoopResultBuilder]: For program point L8422(lines 8422 8425) no Hoare annotation was computed. [2023-11-23 20:38:27,295 INFO L899 garLoopResultBuilder]: For program point L6779-1(line 6779) no Hoare annotation was computed. [2023-11-23 20:38:27,295 INFO L895 garLoopResultBuilder]: At program point L6779(line 6779) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,295 INFO L899 garLoopResultBuilder]: For program point L7192-1(line 7192) no Hoare annotation was computed. [2023-11-23 20:38:27,296 INFO L895 garLoopResultBuilder]: At program point L7192(line 7192) the Hoare annotation is: false [2023-11-23 20:38:27,296 INFO L899 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2023-11-23 20:38:27,296 INFO L899 garLoopResultBuilder]: For program point L8423-1(line 8423) no Hoare annotation was computed. [2023-11-23 20:38:27,296 INFO L895 garLoopResultBuilder]: At program point L8423(line 8423) the Hoare annotation is: false [2023-11-23 20:38:27,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:38:27,296 INFO L899 garLoopResultBuilder]: For program point L8415(lines 8415 8426) no Hoare annotation was computed. [2023-11-23 20:38:27,297 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7195) no Hoare annotation was computed. [2023-11-23 20:38:27,297 INFO L895 garLoopResultBuilder]: At program point L8440(line 8440) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,297 INFO L895 garLoopResultBuilder]: At program point L8440-1(line 8440) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret961#1|)) [2023-11-23 20:38:27,297 INFO L899 garLoopResultBuilder]: For program point L8440-2(line 8440) no Hoare annotation was computed. [2023-11-23 20:38:27,297 INFO L899 garLoopResultBuilder]: For program point L8432-3(line 8432) no Hoare annotation was computed. [2023-11-23 20:38:27,297 INFO L895 garLoopResultBuilder]: At program point L8432-4(line 8432) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,298 INFO L899 garLoopResultBuilder]: For program point L8432-5(line 8432) no Hoare annotation was computed. [2023-11-23 20:38:27,298 INFO L895 garLoopResultBuilder]: At program point L8432(line 8432) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,299 INFO L899 garLoopResultBuilder]: For program point L8432-1(line 8432) no Hoare annotation was computed. [2023-11-23 20:38:27,299 INFO L895 garLoopResultBuilder]: At program point L8432-2(line 8432) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,299 INFO L899 garLoopResultBuilder]: For program point L8424-1(line 8424) no Hoare annotation was computed. [2023-11-23 20:38:27,299 INFO L895 garLoopResultBuilder]: At program point L8424(line 8424) the Hoare annotation is: false [2023-11-23 20:38:27,300 INFO L899 garLoopResultBuilder]: For program point L8482(lines 8482 8484) no Hoare annotation was computed. [2023-11-23 20:38:27,300 INFO L899 garLoopResultBuilder]: For program point L8416-2(line 8416) no Hoare annotation was computed. [2023-11-23 20:38:27,300 INFO L895 garLoopResultBuilder]: At program point L8416-1(line 8416) the Hoare annotation is: false [2023-11-23 20:38:27,300 INFO L895 garLoopResultBuilder]: At program point L8416(line 8416) the Hoare annotation is: false [2023-11-23 20:38:27,300 INFO L895 garLoopResultBuilder]: At program point L7194(line 7194) the Hoare annotation is: false [2023-11-23 20:38:27,300 INFO L899 garLoopResultBuilder]: For program point L8482-2(lines 8482 8484) no Hoare annotation was computed. [2023-11-23 20:38:27,301 INFO L899 garLoopResultBuilder]: For program point L7194-1(line 7194) no Hoare annotation was computed. [2023-11-23 20:38:27,301 INFO L895 garLoopResultBuilder]: At program point L8441(line 8441) the Hoare annotation is: false [2023-11-23 20:38:27,301 INFO L899 garLoopResultBuilder]: For program point L8441-1(line 8441) no Hoare annotation was computed. [2023-11-23 20:38:27,301 INFO L895 garLoopResultBuilder]: At program point L8433-4(line 8433) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,301 INFO L899 garLoopResultBuilder]: For program point L8433-5(line 8433) no Hoare annotation was computed. [2023-11-23 20:38:27,301 INFO L895 garLoopResultBuilder]: At program point L8433(line 8433) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,302 INFO L899 garLoopResultBuilder]: For program point L8433-1(line 8433) no Hoare annotation was computed. [2023-11-23 20:38:27,302 INFO L895 garLoopResultBuilder]: At program point L8433-2(line 8433) the Hoare annotation is: (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) [2023-11-23 20:38:27,302 INFO L899 garLoopResultBuilder]: For program point L8433-3(line 8433) no Hoare annotation was computed. [2023-11-23 20:38:27,302 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-23 20:38:27,302 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-23 20:38:27,302 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-23 20:38:27,303 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-23 20:38:27,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-23 20:38:27,304 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-23 20:38:27,306 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 20:38:27,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:38:27,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:27 BoogieIcfgContainer [2023-11-23 20:38:27,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:38:27,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:38:27,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:38:27,321 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:38:27,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:21" (3/4) ... [2023-11-23 20:38:27,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:38:27,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-23 20:38:27,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 20:38:27,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2023-11-23 20:38:27,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-23 20:38:27,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-23 20:38:27,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-23 20:38:27,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2023-11-23 20:38:27,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-23 20:38:27,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2023-11-23 20:38:27,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2023-11-23 20:38:27,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:38:27,358 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 174 nodes and edges [2023-11-23 20:38:27,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2023-11-23 20:38:27,363 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 20:38:27,365 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 20:38:27,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:38:27,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:38:27,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:38:27,373 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:38:28,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:38:28,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:38:28,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:38:28,062 INFO L158 Benchmark]: Toolchain (without parser) took 13198.16ms. Allocated memory was 174.1MB in the beginning and 276.8MB in the end (delta: 102.8MB). Free memory was 136.1MB in the beginning and 62.3MB in the end (delta: 73.8MB). Peak memory consumption was 172.9MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,063 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:28,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3416.33ms. Allocated memory is still 174.1MB. Free memory was 135.6MB in the beginning and 75.7MB in the end (delta: 59.9MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 322.27ms. Allocated memory is still 174.1MB. Free memory was 74.8MB in the beginning and 113.7MB in the end (delta: -39.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,064 INFO L158 Benchmark]: Boogie Preprocessor took 186.67ms. Allocated memory is still 174.1MB. Free memory was 113.7MB in the beginning and 106.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,065 INFO L158 Benchmark]: RCFGBuilder took 2257.66ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 106.4MB in the beginning and 160.6MB in the end (delta: -54.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,065 INFO L158 Benchmark]: TraceAbstraction took 6265.08ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 160.6MB in the beginning and 189.2MB in the end (delta: -28.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,066 INFO L158 Benchmark]: Witness Printer took 741.04ms. Allocated memory is still 276.8MB. Free memory was 189.2MB in the beginning and 62.3MB in the end (delta: 126.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-23 20:38:28,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3416.33ms. Allocated memory is still 174.1MB. Free memory was 135.6MB in the beginning and 75.7MB in the end (delta: 59.9MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 322.27ms. Allocated memory is still 174.1MB. Free memory was 74.8MB in the beginning and 113.7MB in the end (delta: -39.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.67ms. Allocated memory is still 174.1MB. Free memory was 113.7MB in the beginning and 106.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2257.66ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 106.4MB in the beginning and 160.6MB in the end (delta: -54.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6265.08ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 160.6MB in the beginning and 189.2MB in the end (delta: -28.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Witness Printer took 741.04ms. Allocated memory is still 276.8MB. Free memory was 189.2MB in the beginning and 62.3MB in the end (delta: 126.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7738]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] * 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 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 3, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 2115 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1653 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 394 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 462 mSDtfsCounter, 394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=1, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 238 PreInvPairs, 239 NumberOfFragments, 125 HoareAnnotationTreeSize, 238 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 77 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 341 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 SizeOfPredicates, 6 NumberOfNonLiveVariables, 7018 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 392/392 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:38:28,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e71feb-89aa-4abf-a3f3-b325efd019f1/bin/utaipan-verify-mE87zJ7Ire/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 Result: TRUE